Update guidelines regarding arguments

snippets/bottomVisible.md

@@ -7,7 +7,7 @@ lastUpdated: 2020-10-22T20:23:47+03:00
 
 Checks if the bottom of the page is visible.
 
-- Use `scrollY`, `scrollHeight` and `clientHeight` to determine if the bottom of the page is visible.
+- Use `Window.scrollY`, `Element.scrollHeight` and `Element.clientHeight` to determine if the bottom of the page is visible.
 
 ```js
 const bottomVisible = () =>

snippets/createElement.md

@@ -10,7 +10,7 @@ If the given string contains multiple elements, only the first one will be retur
 
 - Use `Document.createElement()` to create a new element.
 - Use `Element.innerHTML` to set its inner HTML to the string supplied as the argument.
-- Use `ParentNode.firstElementChild` to return the element version of the string.
+- Use `Element.firstElementChild` to return the element version of the string.
 
 ```js
 const createElement = str => {

snippets/getType.md

@@ -8,7 +8,7 @@ lastUpdated: 2020-10-19T22:49:51+03:00
 Returns the native type of a value.
 
 - Return `'undefined'` or `'null'` if the value is `undefined` or `null`.
-- Otherwise, use `Object.prototype.constructor.name` to get the name of the constructor.
+- Otherwise, use `Object.prototype.constructor` and `Function.prototype.name` to get the name of the constructor.
 
 ```js
 const getType = v =>

snippets/is.md

@@ -8,7 +8,7 @@ lastUpdated: 2020-10-20T23:02:01+03:00
 Checks if the provided value is of the specified type.
 
 - Ensure the value is not `undefined` or `null` using `Array.prototype.includes()`.
-- Compare the `constructor` property on the value with `type` to check if the provided value is of the specified `type`.
+- Use `Object.prototype.constructor` to compare the constructor property on the value with `type` to check if the provided value is of the specified `type`.
 
 ```js
 const is = (type, val) => ![, null].includes(val) && val.constructor === type;