JS Polyfills's repositories
Array.prototype.find
Polyfill for the The find() method. Returns a value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned
Array.prototype.findIndex
Polyfill for the The findIndex() method. returns an index in the array, if an element in the array satisfies the provided testing function. Otherwise -1 is returned.
CustomEvent
CustomEvent constructor for IE 9 and higher where is not supported.