30秒学会 JavaScript 片段 – byteSize
Returns the length of a string in bytes. Convert a given string to a Blob Object and find its size.
Returns the length of a string in bytes. Convert a given string to a Blob Object and find its size.
Picks the key-value pairs corresponding to the given keys from an object. Use Array.prototype.reduce...
Removes elements from the end of an array until the passed function returns true. Returns the remove...
Returns the index of the first element in the provided collection that satisfies the provided testin...
Returns the sum value of a list of numbers. Use Iterable.reduce() to sum all the numbers in a list.
Returns an array of function property names from own (and optionally inherited) enumerable propertie...
Returns a string by concatenating all of the elements in the collection, separated by the specified ...
Creates an object composed of the properties the given function returns falsy for. The function is i...
Returns true if the user color scheme preference is light, false otherwise. Use window.matchMedia() ...
Returns all the elements of an array except the last one. Use arr.slice(0,-1) to return all but the ...