Add covers to snippets

2022-05-14 15:55:07 +03:00
parent 42eb46edb2
commit f7c2cc7ae4
140 changed files with 140 additions and 0 deletions
--- a/snippets/JSONtoCSV.md
+++ b/snippets/JSONtoCSV.md
@ -2,6 +2,7 @@
 title: JSON to CSV
 tags: array,string,object
 expertise: advanced
+cover: blog_images/horse-sunset.jpg
 firstSeen: 2018-07-06T20:25:46+03:00
 lastUpdated: 2021-10-13T19:29:39+02:00
 ---
--- a/snippets/UUIDGeneratorBrowser.md
+++ b/snippets/UUIDGeneratorBrowser.md
@ -2,6 +2,7 @@
 title: Generate UUID (browser)
 tags: browser,random
 expertise: intermediate
+cover: blog_images/mountain-lake-cottage.jpg
 firstSeen: 2017-12-29T09:47:10+02:00
 lastUpdated: 2020-10-22T20:24:44+03:00
 ---
--- a/snippets/accumulate.md
+++ b/snippets/accumulate.md
@ -3,6 +3,7 @@ title: Partial sum array
 tags: math,array
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/river-house-lights.jpg
 firstSeen: 2020-05-04T12:20:46+03:00
 lastUpdated: 2022-01-30T13:10:13+02:00
 ---
--- a/snippets/addMinutesToDate.md
+++ b/snippets/addMinutesToDate.md
@ -2,6 +2,7 @@
 title: Add minutes to date
 tags: date
 expertise: intermediate
+cover: blog_images/lake-trees.jpg
 firstSeen: 2020-11-28T19:27:46+02:00
 lastUpdated: 2020-11-28T19:27:46+02:00
 ---
--- a/snippets/addMultipleEvents.md
+++ b/snippets/addMultipleEvents.md
@ -2,6 +2,7 @@
 title: Add multiple listeners
 tags: browser,event
 expertise: intermediate
+cover: blog_images/balloons.jpg
 firstSeen: 2020-10-08T00:40:30+03:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/arithmeticProgression.md
+++ b/snippets/arithmeticProgression.md
@ -3,6 +3,7 @@ title: Arithmetic progression
 tags: math,algorithm
 expertise: beginner
 author: maciv
+cover: blog_images/u-got-this.jpg
 firstSeen: 2020-10-04T11:37:07+03:00
 lastUpdated: 2021-10-13T19:29:39+02:00
 ---
--- a/snippets/arrayToCSV.md
+++ b/snippets/arrayToCSV.md
@ -2,6 +2,7 @@
 title: Array to CSV
 tags: array,string
 expertise: intermediate
+cover: blog_images/sunrise-over-city.jpg
 firstSeen: 2018-06-27T20:26:43+03:00
 lastUpdated: 2020-11-03T21:55:08+02:00
 ---
--- a/snippets/assertValidKeys.md
+++ b/snippets/assertValidKeys.md
@ -3,6 +3,7 @@ title: Assert object keys are valid
 tags: object
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/river-flow.jpg
 firstSeen: 2021-07-18T05:00:00-04:00
 ---

--- a/snippets/averageBy.md
+++ b/snippets/averageBy.md
@ -2,6 +2,7 @@
 title: Mapped array average
 tags: math,array
 expertise: intermediate
+cover: blog_images/rock-climbing.jpg
 firstSeen: 2018-01-11T12:25:54+02:00
 lastUpdated: 2020-10-21T21:17:45+03:00
 ---
--- a/snippets/binarySearch.md
+++ b/snippets/binarySearch.md
@ -3,6 +3,7 @@ title: Binary search
 tags: algorithm,array
 expertise: beginner
 author: chalarangelo
+cover: blog_images/zen-indoors.jpg
 firstSeen: 2020-12-28T12:35:44+02:00
 lastUpdated: 2020-12-29T13:06:47+02:00
 ---
--- a/snippets/bindAll.md
+++ b/snippets/bindAll.md
@ -2,6 +2,7 @@
 title: Bind all object methods
 tags: object,function
 expertise: intermediate
+cover: blog_images/laptop-with-code.jpg
 firstSeen: 2018-01-26T14:14:53+02:00
 lastUpdated: 2020-11-03T22:11:18+02:00
 ---
--- a/snippets/chainAsync.md
+++ b/snippets/chainAsync.md
@ -2,6 +2,7 @@
 title: Chain async functions
 tags: function
 expertise: intermediate
+cover: blog_images/tram-car.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-09-15T16:28:04+03:00
 ---
--- a/snippets/changeLightness.md
+++ b/snippets/changeLightness.md
@ -2,6 +2,7 @@
 title: Change color lightness
 tags: string,browser,regexp
 expertise: intermediate
+cover: blog_images/aerial-view-port.jpg
 firstSeen: 2020-10-30T17:38:31+02:00
 lastUpdated: 2020-10-31T16:37:54+02:00
 ---
--- a/snippets/commonKeys.md
+++ b/snippets/commonKeys.md
@ -3,6 +3,7 @@ title: Common keys
 tags: object
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/symmetry-cloudy-mountain.jpg
 firstSeen: 2022-04-23T05:00:00-04:00
 ---

--- a/snippets/compactJoin.md
+++ b/snippets/compactJoin.md
@ -3,6 +3,7 @@ title: Compact and join array
 tags: array
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/racoon.jpg
 firstSeen: 2022-04-08T05:00:00-04:00
 ---

--- a/snippets/converge.md
+++ b/snippets/converge.md
@ -3,6 +3,7 @@ title: Converge branching functions
 tags: function
 expertise: intermediate
 excerpt: Converges a list of branching functions into a single function and returns the result.
+cover: blog_images/cherry-trees.jpg
 firstSeen: 2018-02-07T12:23:04+02:00
 lastUpdated: 2021-01-08T00:23:44+02:00
 ---
--- a/snippets/countBy.md
+++ b/snippets/countBy.md
@ -2,6 +2,7 @@
 title: Count grouped elements
 tags: array,object
 expertise: intermediate
+cover: blog_images/tools.jpg
 firstSeen: 2018-01-11T13:45:53+02:00
 lastUpdated: 2020-11-03T22:11:18+02:00
 ---
--- a/snippets/countSubstrings.md
+++ b/snippets/countSubstrings.md
@ -3,6 +3,7 @@ title: Count substrings of string
 tags: string,algorithm
 expertise: beginner
 author: chalarangelo
+cover: blog_images/obelisk.jpg
 firstSeen: 2020-12-31T13:58:51+02:00
 lastUpdated: 2021-01-08T00:23:44+02:00
 ---
--- a/snippets/createEventHub.md
+++ b/snippets/createEventHub.md
@ -2,6 +2,7 @@
 title: Create event hub
 tags: browser,event
 expertise: advanced
+cover: blog_images/city-view.jpg
 firstSeen: 2018-01-05T15:07:26+02:00
 lastUpdated: 2020-09-15T16:28:04+03:00
 ---
--- a/snippets/cycleGenerator.md
+++ b/snippets/cycleGenerator.md
@ -3,6 +3,7 @@ title: Cycle generator
 tags: function,generator
 expertise: advanced
 author: chalarangelo
+cover: blog_images/secret-tree.jpg
 firstSeen: 2020-10-11T17:05:38+03:00
 lastUpdated: 2020-10-11T17:05:38+03:00
 ---
--- a/snippets/debouncePromise.md
+++ b/snippets/debouncePromise.md
@ -3,6 +3,7 @@ title: Debounce promise
 tags: function,promise
 expertise: advanced
 excerpt: Creates a debounced function that returns a promise.
+cover: blog_images/ice.jpg
 firstSeen: 2020-10-10T21:09:04+03:00
 lastUpdated: 2020-10-19T18:51:03+03:00
 ---
--- a/snippets/decapitalize.md
+++ b/snippets/decapitalize.md
@ -2,6 +2,7 @@
 title: Decapitalize string
 tags: string
 expertise: intermediate
+cover: blog_images/forest-balcony.jpg
 firstSeen: 2018-01-11T11:58:40+02:00
 lastUpdated: 2020-11-01T20:50:57+02:00
 ---
--- a/snippets/deepGet.md
+++ b/snippets/deepGet.md
@ -2,6 +2,7 @@
 title: Get nested value in object based on array of keys
 tags: object
 expertise: intermediate
+cover: blog_images/mask-quiet.jpg
 firstSeen: 2019-05-09T13:30:52+03:00
 lastUpdated: 2020-10-19T18:51:03+03:00
 ---
--- a/snippets/deepMapKeys.md
+++ b/snippets/deepMapKeys.md
@ -2,6 +2,7 @@
 title: Deep map object keys
 tags: object,recursion
 expertise: advanced
+cover: blog_images/duck-plants.jpg
 firstSeen: 2018-11-29T15:22:53+02:00
 lastUpdated: 2020-09-15T16:28:04+03:00
 ---
--- a/snippets/defaults.md
+++ b/snippets/defaults.md
@ -2,6 +2,7 @@
 title: Assign default values for object properties
 tags: object
 expertise: intermediate
+cover: blog_images/boats.jpg
 firstSeen: 2018-01-19T13:51:05+02:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/differenceBy.md
+++ b/snippets/differenceBy.md
@ -2,6 +2,7 @@
 title: Mapped array difference
 tags: array
 expertise: intermediate
+cover: blog_images/keyboard.jpg
 firstSeen: 2018-01-24T11:49:03+02:00
 lastUpdated: 2020-10-19T18:52:00+03:00
 ---
--- a/snippets/digitize.md
+++ b/snippets/digitize.md
@ -2,6 +2,7 @@
 title: Digitize number
 tags: math
 expertise: beginner
+cover: blog_images/industrial-tokyo.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-10-18T14:58:09+03:00
 ---
--- a/snippets/dropWhile.md
+++ b/snippets/dropWhile.md
@ -2,6 +2,7 @@
 title: Drop list elements from the left based on function
 tags: array
 expertise: intermediate
+cover: blog_images/colorful-lounge.jpg
 firstSeen: 2018-01-26T12:23:18+02:00
 lastUpdated: 2020-10-19T18:51:03+03:00
 ---
--- a/snippets/escapeHTML.md
+++ b/snippets/escapeHTML.md
@ -2,6 +2,7 @@
 title: Escape HTML
 tags: string,browser,regexp
 expertise: intermediate
+cover: blog_images/periscope.jpg
 firstSeen: 2017-12-29T15:09:21+02:00
 lastUpdated: 2021-10-13T19:29:39+02:00
 ---
--- a/snippets/extendHex.md
+++ b/snippets/extendHex.md
@ -2,6 +2,7 @@
 title: Extend hex value
 tags: string
 expertise: intermediate
+cover: blog_images/red-mountain.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-09-15T16:28:04+03:00
 ---
--- a/snippets/findKey.md
+++ b/snippets/findKey.md
@ -2,6 +2,7 @@
 title: Find first matching key
 tags: object
 expertise: intermediate
+cover: blog_images/succulent-crowd.jpg
 firstSeen: 2018-01-23T18:23:20+02:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/findKeys.md
+++ b/snippets/findKeys.md
@ -2,6 +2,7 @@
 title: Find matching keys
 tags: object
 expertise: beginner
+cover: blog_images/beach-riders.jpg
 firstSeen: 2020-10-25T09:59:13+02:00
 lastUpdated: 2020-11-15T14:43:44+02:00
 ---
--- a/snippets/findLastIndex.md
+++ b/snippets/findLastIndex.md
@ -2,6 +2,7 @@
 title: Find last matching index
 tags: array
 expertise: intermediate
+cover: blog_images/taking-photos.jpg
 firstSeen: 2018-01-24T13:01:51+02:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/findLastKey.md
+++ b/snippets/findLastKey.md
@ -2,6 +2,7 @@
 title: Find last matching key
 tags: object
 expertise: intermediate
+cover: blog_images/sparkles.jpg
 firstSeen: 2018-01-23T18:23:20+02:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/flags.md
+++ b/snippets/flags.md
@ -3,6 +3,7 @@ title: Array to flags object
 tags: array,object
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/glass-blowing.jpg
 firstSeen: 2022-04-12T05:00:00-04:00
 ---

--- a/snippets/flattenObject.md
+++ b/snippets/flattenObject.md
@ -2,6 +2,7 @@
 title: Flatten object
 tags: object,recursion
 expertise: advanced
+cover: blog_images/lighthouse.jpg
 firstSeen: 2018-02-07T11:30:18+02:00
 lastUpdated: 2020-10-19T18:51:03+03:00
 ---
--- a/snippets/forOwn.md
+++ b/snippets/forOwn.md
@ -2,6 +2,7 @@
 title: Iterate over object's own properties
 tags: object
 expertise: intermediate
+cover: blog_images/blank-card.jpg
 firstSeen: 2018-01-18T16:45:56+02:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/forOwnRight.md
+++ b/snippets/forOwnRight.md
@ -2,6 +2,7 @@
 title: Iterate over object's own properties in reverse
 tags: object
 expertise: intermediate
+cover: blog_images/sea-view.jpg
 firstSeen: 2018-01-18T16:45:56+02:00
 lastUpdated: 2020-10-19T22:49:51+03:00
 ---
--- a/snippets/formToObject.md
+++ b/snippets/formToObject.md
@ -2,6 +2,7 @@
 title: Form to object
 tags: browser,object
 expertise: intermediate
+cover: blog_images/sail-away-2.jpg
 firstSeen: 2019-03-13T14:50:06+02:00
 lastUpdated: 2020-10-19T22:49:51+03:00
 ---
--- a/snippets/formatSeconds.md
+++ b/snippets/formatSeconds.md
@ -2,6 +2,7 @@
 title: Number of seconds to ISO format
 tags: date,math,string
 expertise: intermediate
+cover: blog_images/rocky-mountains.jpg
 firstSeen: 2021-05-09T12:44:55+03:00
 lastUpdated: 2021-10-13T19:29:39+02:00
 ---
--- a/snippets/frequencies.md
+++ b/snippets/frequencies.md
@ -3,6 +3,7 @@ title: Value frequencies
 tags: array,object
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/tropical-waterfall.jpg
 firstSeen: 2020-01-03T15:32:35+02:00
 lastUpdated: 2020-10-19T22:49:51+03:00
 ---
--- a/snippets/functions.md
+++ b/snippets/functions.md
@ -2,6 +2,7 @@
 title: Function property names
 tags: object,function
 expertise: advanced
+cover: blog_images/palm-tree-house.jpg
 firstSeen: 2018-01-11T21:18:58+02:00
 lastUpdated: 2020-10-20T11:21:07+03:00
 ---
--- a/snippets/gcd.md
+++ b/snippets/gcd.md
@ -2,6 +2,7 @@
 title: Greatest common divisor
 tags: math,algorithm,recursion
 expertise: intermediate
+cover: blog_images/flower-pond.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-12-29T12:36:50+02:00
 ---
--- a/snippets/getElementsBiggerThanViewport.md
+++ b/snippets/getElementsBiggerThanViewport.md
@ -2,6 +2,7 @@
 title: Get elements bigger than viewport
 tags: browser
 expertise: intermediate
+cover: blog_images/case-study.jpg
 firstSeen: 2020-10-06T17:41:22+03:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/getImages.md
+++ b/snippets/getImages.md
@ -2,6 +2,7 @@
 title: Get all images in element
 tags: browser
 expertise: intermediate
+cover: blog_images/portal-timelapse.jpg
 firstSeen: 2018-10-07T16:24:36+03:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/getSiblings.md
+++ b/snippets/getSiblings.md
@ -3,6 +3,7 @@ title: Array of element's siblings
 tags: browser
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/little-white-flowers.jpg
 firstSeen: 2020-08-07T15:31:48+03:00
 lastUpdated: 2020-10-19T22:49:51+03:00
 ---
--- a/snippets/groupBy.md
+++ b/snippets/groupBy.md
@ -2,6 +2,7 @@
 title: Group array elements
 tags: array,object
 expertise: intermediate
+cover: blog_images/man-cup-laptop.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/hasKey.md
+++ b/snippets/hasKey.md
@ -3,6 +3,7 @@ title: Check if object has key
 tags: object
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/cloudy-mountaintop.jpg
 firstSeen: 2019-10-15T15:45:13+03:00
 lastUpdated: 2020-10-19T22:49:51+03:00
 ---
--- a/snippets/hexToRGB.md
+++ b/snippets/hexToRGB.md
@ -2,6 +2,7 @@
 title: Hex to RGB
 tags: string,math
 expertise: advanced
+cover: blog_images/umbrellas.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-10-19T22:49:51+03:00
 ---
--- a/snippets/indexBy.md
+++ b/snippets/indexBy.md
@ -3,6 +3,7 @@ title: Index array based on function
 tags: array,object
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/guitar-living-room.jpg
 firstSeen: 2021-06-20T05:00:00-04:00
 ---

--- a/snippets/indexOn.md
+++ b/snippets/indexOn.md
@ -3,6 +3,7 @@ title: Array to object based on key
 tags: array,object
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/lavender-shelf.jpg
 firstSeen: 2021-06-27T05:00:00-04:00
 ---

--- a/snippets/intersectionBy.md
+++ b/snippets/intersectionBy.md
@ -2,6 +2,7 @@
 title: Array intersection based on function
 tags: array
 expertise: intermediate
+cover: blog_images/cobbled-street.jpg
 firstSeen: 2018-01-24T12:53:18+02:00
 lastUpdated: 2020-10-20T23:02:01+03:00
 ---
--- a/snippets/invertKeyValues.md
+++ b/snippets/invertKeyValues.md
@ -2,6 +2,7 @@
 title: Invert object
 tags: object
 expertise: advanced
+cover: blog_images/pineapple-on-green.jpg
 firstSeen: 2018-01-01T17:33:46+02:00
 lastUpdated: 2020-10-20T23:02:01+03:00
 ---
--- a/snippets/isAnagram.md
+++ b/snippets/isAnagram.md
@ -2,6 +2,7 @@
 title: String is anagram
 tags: string,regexp
 expertise: intermediate
+cover: blog_images/new-york.jpg
 firstSeen: 2018-02-19T15:47:47+02:00
 lastUpdated: 2020-10-20T23:02:01+03:00
 ---
--- a/snippets/isDateValid.md
+++ b/snippets/isDateValid.md
@ -2,6 +2,7 @@
 title: Check if date is valid
 tags: date
 expertise: intermediate
+cover: blog_images/two-cities.jpg
 firstSeen: 2020-10-08T16:39:23+03:00
 lastUpdated: 2020-10-20T23:02:01+03:00
 ---
--- a/snippets/join.md
+++ b/snippets/join.md
@ -2,6 +2,7 @@
 title: Join array into string
 tags: array
 expertise: intermediate
+cover: blog_images/couch-laptop.jpg
 firstSeen: 2018-01-01T12:18:40+02:00
 lastUpdated: 2020-10-22T20:23:47+03:00
 ---
--- a/snippets/mapConsecutive.md
+++ b/snippets/mapConsecutive.md
@ -3,6 +3,7 @@ title: Map consecutive elements
 tags: array
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/cold-mountains.jpg
 firstSeen: 2021-08-08T05:00:00-04:00
 ---

--- a/snippets/mapKeys.md
+++ b/snippets/mapKeys.md
@ -2,6 +2,7 @@
 title: Map object keys
 tags: object
 expertise: intermediate
+cover: blog_images/rocky-mountains-2.jpg
 firstSeen: 2018-01-11T20:33:14+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/mapObject.md
+++ b/snippets/mapObject.md
@ -2,6 +2,7 @@
 title: Map array to object
 tags: array,object
 expertise: intermediate
+cover: blog_images/two-lighthouses.jpg
 firstSeen: 2017-12-18T12:11:58+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/mapString.md
+++ b/snippets/mapString.md
@ -2,6 +2,7 @@
 title: Map string
 tags: string
 expertise: intermediate
+cover: blog_images/budapest-palace.jpg
 firstSeen: 2018-07-14T10:59:56+03:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/mapValues.md
+++ b/snippets/mapValues.md
@ -2,6 +2,7 @@
 title: Map object values
 tags: object
 expertise: intermediate
+cover: blog_images/feathers.jpg
 firstSeen: 2018-01-11T20:33:14+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/matchesWith.md
+++ b/snippets/matchesWith.md
@ -2,6 +2,7 @@
 title: Matches object properties based on function
 tags: object
 expertise: intermediate
+cover: undefined
 firstSeen: 2018-01-23T20:17:32+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/mostFrequent.md
+++ b/snippets/mostFrequent.md
@ -3,6 +3,7 @@ title: Most frequent element in array
 tags: array
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/clock.jpg
 firstSeen: 2020-01-03T15:32:46+02:00
 lastUpdated: 2020-09-15T16:28:04+03:00
 ---
--- a/snippets/objectFromPairs.md
+++ b/snippets/objectFromPairs.md
@ -2,6 +2,7 @@
 title: Object from pairs
 tags: object,array
 expertise: beginner
+cover: blog_images/silver-flat-screen.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/objectToEntries.md
+++ b/snippets/objectToEntries.md
@ -3,6 +3,7 @@ title: Object to entries
 tags: object,array
 expertise: beginner
 author: chalarangelo
+cover: blog_images/shapes.jpg
 firstSeen: 2020-04-16T11:10:13+03:00
 lastUpdated: 2020-09-15T16:28:04+03:00
 ---
--- a/snippets/objectToQueryString.md
+++ b/snippets/objectToQueryString.md
@ -2,6 +2,7 @@
 title: Object to query string
 tags: object
 expertise: advanced
+cover: blog_images/standing-stones.jpg
 firstSeen: 2019-10-11T23:16:05+03:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/omit.md
+++ b/snippets/omit.md
@ -2,6 +2,7 @@
 title: Omit object properties
 tags: object
 expertise: intermediate
+cover: blog_images/broken-screen.jpg
 firstSeen: 2018-01-19T13:14:46+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/omitBy.md
+++ b/snippets/omitBy.md
@ -2,6 +2,7 @@
 title: Omit object properties based on function
 tags: object
 expertise: intermediate
+cover: blog_images/arrow-functions.jpg
 firstSeen: 2018-01-19T13:23:45+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/on.md
+++ b/snippets/on.md
@ -2,6 +2,7 @@
 title: Add event listener to element
 tags: browser,event
 expertise: intermediate
+cover: blog_images/wooden-bowl.jpg
 firstSeen: 2018-01-05T14:33:48+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/once.md
+++ b/snippets/once.md
@ -2,6 +2,7 @@
 title: Call function once
 tags: function
 expertise: intermediate
+cover: blog_images/pink-flower-tree.jpg
 firstSeen: 2018-01-02T00:40:46+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/orderBy.md
+++ b/snippets/orderBy.md
@ -2,6 +2,7 @@
 title: Order array of objects
 tags: object,array
 expertise: advanced
+cover: blog_images/volcano-sunset.jpg
 firstSeen: 2017-12-20T11:33:20+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/orderWith.md
+++ b/snippets/orderWith.md
@ -2,6 +2,7 @@
 title: Order array of objects based on property order
 tags: array,object
 expertise: intermediate
+cover: blog_images/san-francisco-skyline.jpg
 firstSeen: 2020-10-04T12:11:10+03:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/overArgs.md
+++ b/snippets/overArgs.md
@ -2,6 +2,7 @@
 title: Transform function arguments
 tags: function
 expertise: intermediate
+cover: blog_images/flower-shape-sunset.jpg
 firstSeen: 2018-01-28T14:54:16+02:00
 lastUpdated: 2020-10-21T21:54:53+03:00
 ---
--- a/snippets/palindrome.md
+++ b/snippets/palindrome.md
@ -2,6 +2,7 @@
 title: Palindrome
 tags: string
 expertise: intermediate
+cover: blog_images/bridge-drop.jpg
 firstSeen: 2017-12-17T16:41:31+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/partition.md
+++ b/snippets/partition.md
@ -2,6 +2,7 @@
 title: Partition array in two
 tags: array,object
 expertise: intermediate
+cover: blog_images/sunflowers.jpg
 firstSeen: 2018-01-08T16:58:23+02:00
 lastUpdated: 2020-11-03T21:46:13+02:00
 ---
--- a/snippets/partitionBy.md
+++ b/snippets/partitionBy.md
@ -2,6 +2,7 @@
 title: Partition array
 tags: array,object
 expertise: advanced
+cover: blog_images/people-on-beach.jpg
 firstSeen: 2020-05-20T17:48:13+03:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/permutations.md
+++ b/snippets/permutations.md
@ -2,6 +2,7 @@
 title: Array permutations
 tags: array,algorithm,recursion
 expertise: advanced
+cover: blog_images/body-of-water.jpg
 firstSeen: 2018-02-19T15:47:47+02:00
 lastUpdated: 2020-12-28T13:49:24+02:00
 ---
--- a/snippets/pickBy.md
+++ b/snippets/pickBy.md
@ -2,6 +2,7 @@
 title: Pick matching object keys
 tags: object
 expertise: intermediate
+cover: blog_images/lake-bench.jpg
 firstSeen: 2018-01-19T13:23:45+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/pipeAsyncFunctions.md
+++ b/snippets/pipeAsyncFunctions.md
@ -2,6 +2,7 @@
 title: Pipe async functions
 tags: function,promise
 expertise: intermediate
+cover: blog_images/new-york-skyline.jpg
 firstSeen: 2018-01-27T18:17:44+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/pipeFunctions.md
+++ b/snippets/pipeFunctions.md
@ -2,6 +2,7 @@
 title: Pipe functions
 tags: function
 expertise: intermediate
+cover: blog_images/goat-wooden-cottage.jpg
 firstSeen: 2017-12-26T19:02:27+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/powerset.md
+++ b/snippets/powerset.md
@ -2,6 +2,7 @@
 title: Powerset
 tags: math,algorithm
 expertise: beginner
+cover: blog_images/new-plant.jpg
 firstSeen: 2017-12-07T14:41:33+02:00
 lastUpdated: 2021-09-27T15:27:07+02:00
 ---
--- a/snippets/prefix.md
+++ b/snippets/prefix.md
@ -2,6 +2,7 @@
 title: Prefix CSS property
 tags: browser
 expertise: intermediate
+cover: blog_images/cancel-typographer.jpg
 firstSeen: 2018-03-08T15:22:54+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/pull.md
+++ b/snippets/pull.md
@ -2,6 +2,7 @@
 title: Pull values from array
 tags: array
 expertise: intermediate
+cover: blog_images/last-light.jpg
 firstSeen: 2017-12-17T16:41:31+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/pullAtIndex.md
+++ b/snippets/pullAtIndex.md
@ -2,6 +2,7 @@
 title: Pull values from array at index
 tags: array
 expertise: advanced
+cover: blog_images/bug.jpg
 firstSeen: 2017-12-19T00:42:47+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/queryStringToObject.md
+++ b/snippets/queryStringToObject.md
@ -2,6 +2,7 @@
 title: Query string to object
 tags: object
 expertise: intermediate
+cover: blog_images/dark-mode.jpg
 firstSeen: 2020-10-20T20:25:32+03:00
 lastUpdated: 2020-11-03T22:11:18+02:00
 ---
--- a/snippets/rearg.md
+++ b/snippets/rearg.md
@ -2,6 +2,7 @@
 title: Rearrange function arguments
 tags: function
 expertise: intermediate
+cover: blog_images/island-corridor.jpg
 firstSeen: 2018-01-28T15:04:21+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/reduceSuccessive.md
+++ b/snippets/reduceSuccessive.md
@ -2,6 +2,7 @@
 title: Array of successive values
 tags: array
 expertise: intermediate
+cover: blog_images/laptop-view.jpg
 firstSeen: 2018-01-24T16:38:08+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/reducedFilter.md
+++ b/snippets/reducedFilter.md
@ -2,6 +2,7 @@
 title: Filter matching and unspecified values
 tags: array
 expertise: intermediate
+cover: blog_images/little-bird.jpg
 firstSeen: 2017-12-22T09:37:36+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/remove.md
+++ b/snippets/remove.md
@ -2,6 +2,7 @@
 title: Remove matching elements from array
 tags: array
 expertise: intermediate
+cover: blog_images/highlands.jpg
 firstSeen: 2017-12-17T16:41:31+02:00
 lastUpdated: 2020-10-22T20:24:04+03:00
 ---
--- a/snippets/removeEventListenerAll.md
+++ b/snippets/removeEventListenerAll.md
@ -3,6 +3,7 @@ title: Remove event listeners from target
 tags: browser,event
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/snowy-mountains.jpg
 firstSeen: 2021-04-22T08:53:29+03:00
 lastUpdated: 2021-04-22T08:53:29+03:00
 ---
--- a/snippets/renameKeys.md
+++ b/snippets/renameKeys.md
@ -2,6 +2,7 @@
 title: Rename object keys
 tags: object
 expertise: intermediate
+cover: blog_images/fallen-leaves.jpg
 firstSeen: 2018-04-10T20:22:39+03:00
 lastUpdated: 2020-10-22T20:24:30+03:00
 ---
--- a/snippets/renderElement.md
+++ b/snippets/renderElement.md
@ -3,6 +3,7 @@ title: Render DOM element
 tags: browser,recursion
 expertise: advanced
 author: chalarangelo
+cover: blog_images/maple-leaf-palette.jpg
 firstSeen: 2020-05-03T11:55:42+03:00
 lastUpdated: 2021-10-13T19:29:39+02:00
 ---
--- a/snippets/repeatGenerator.md
+++ b/snippets/repeatGenerator.md
@ -3,6 +3,7 @@ title: Repeat generator
 tags: function,generator
 expertise: advanced
 author: chalarangelo
+cover: blog_images/white-flower.jpg
 firstSeen: 2020-10-11T17:05:48+03:00
 lastUpdated: 2020-10-11T17:05:48+03:00
 ---
--- a/snippets/replaceLast.md
+++ b/snippets/replaceLast.md
@ -3,6 +3,7 @@ title: Replace last occuerence in string
 tags: string,regexp
 expertise: advanced
 author: chalarangelo
+cover: blog_images/waves.jpg
 firstSeen: 2021-04-22T09:01:22+03:00
 lastUpdated: 2021-04-22T09:01:22+03:00
 ---
--- a/snippets/reverseNumber.md
+++ b/snippets/reverseNumber.md
@ -2,6 +2,7 @@
 title: Reverse number
 tags: math,string
 expertise: beginner
+cover: blog_images/walking.jpg
 firstSeen: 2020-07-17T16:41:28+03:00
 lastUpdated: 2020-09-18T21:19:23+03:00
 ---
--- a/snippets/reverseString.md
+++ b/snippets/reverseString.md
@ -2,6 +2,7 @@
 title: Reverse string
 tags: string
 expertise: beginner
+cover: blog_images/type-stamps.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-10-18T14:58:09+03:00
 ---
--- a/snippets/runAsync.md
+++ b/snippets/runAsync.md
@ -3,6 +3,7 @@ title: Run function asynchronously
 tags: browser,function,promise
 expertise: advanced
 excerpt: Runs a function in a separate thread by using a Web Worker.
+cover: blog_images/purple-sunset.jpg
 firstSeen: 2018-01-02T02:17:52+02:00
 lastUpdated: 2020-10-22T20:24:30+03:00
 ---
--- a/snippets/runPromisesInSeries.md
+++ b/snippets/runPromisesInSeries.md
@ -2,6 +2,7 @@
 title: Run promises in series
 tags: function,promise
 expertise: intermediate
+cover: blog_images/sail-away.jpg
 firstSeen: 2017-12-17T17:55:51+02:00
 lastUpdated: 2020-10-22T20:24:30+03:00
 ---
--- a/snippets/sampleSize.md
+++ b/snippets/sampleSize.md
@ -2,6 +2,7 @@
 title: N random elements in array
 tags: array,random
 expertise: intermediate
+cover: blog_images/tree-roots.jpg
 firstSeen: 2017-12-31T13:56:28+02:00
 lastUpdated: 2020-10-22T20:24:30+03:00
 ---
--- a/snippets/selectionSort.md
+++ b/snippets/selectionSort.md
@ -3,6 +3,7 @@ title: Selection sort
 tags: algorithm,array
 expertise: intermediate
 author: chalarangelo
+cover: blog_images/violin.jpg
 firstSeen: 2020-12-27T22:22:44+02:00
 lastUpdated: 2021-10-13T19:29:39+02:00
 ---
--- a/Show More
+++ b/Show More