Adapter
call
Given a key and a set of arguments, call them when given a context. Primarily useful in composition.
@@ -388,9 +388,9 @@ Returns the remaining elements. // dropElements([1, 2, 3, 4], n => n >= 3) -> [3,4]dropRight
Returns a new array with n elements removed from the right
Check if n is shorter than the given array and use Array.slice() to slice it accordingly or return an empty array.
const dropRight = (arr, n = 1) => n < arr.length ? arr.slice(0, arr.length - n) : []
+Returns a new array with n elements removed from the right.
+Use Array.slice() to slice the remove the specified number of elements from the right.
+const dropRight = (arr, n = 1) => arr.slice(0, -n);
//dropRight([1,2,3]) -> [1,2]
//dropRight([1,2,3], 2) -> [1]
//dropRight([1,2,3], 42) -> []
@@ -680,6 +680,13 @@ If lengths of the argument-arrays vary, undefined is used where no
const currentURL = () => window.location.href;
// currentUrl() -> 'https://google.com'
+
detectDeviceType
Detects wether the website is being opened in a mobile device or a desktop/laptop.
+Use a regular expression to test the navigator.userAgent property to figure out if the device is a mobile device or a desktop/laptop.
const detectDeviceType = () => /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ? "Mobile" : "Desktop";
+// detectDeviceType() -> "Mobile"
+// detectDeviceType() -> "Desktop"
+elementIsVisibleInViewport
Returns true if the element specified is visible in the viewport, false otherwise.
Use Element.getBoundingClientRect() and the window.inner(Width|Height) values
@@ -844,6 +851,14 @@ async function sleepyWork() {
}
*/
+
Logic
+negate
Negates a predicate function.
+Take a predicate function and apply not to it with its arguments.
const negate = func => (...args) => !fun(...args);
+// filter([1, 2, 3, 4, 5, 6], negate(isEven)) -> [1, 3, 5]
+// negate(isOdd)(1) -> false
+Math
arrayAverage
Returns the average of an array of numbers.
@@ -1464,21 +1479,6 @@ UseNumber() to check if the coercion holds.
const validateNumber = n => !isNaN(parseFloat(n)) && isFinite(n) && Number(n) == n;
// validateNumber('10') -> true
Uncategorized
-detectDeviceType
Detects wether the website is being opened in a mobile device or a desktop/laptop.
-Use a regular expression to test the navigator.userAgent property to figure out if the device is a mobile device or a desktop/laptop.
const detectDeviceType = () => /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ? "Mobile" : "Desktop";
-// detectDeviceType() -> "Mobile"
-// detectDeviceType() -> "Desktop"
-negate
Negates a predicate function.
-Take a predicate function and apply not to it with its arguments.
const negate = func => (...args) => !fun(...args);
-// filter([1, 2, 3, 4, 5, 6], negate(isEven)) -> [1, 3, 5]
-// negate(isOdd)(1) -> false
-