30秒学会 JavaScript 片段 – Convert Map to object
Converts a Map to an object. Use Map.prototype.entries() to convert the Map to an array of key-value...
Converts a Map to an object. Use Map.prototype.entries() to convert the Map to an array of key-value...
Checks if the given date is a weekend. Use datetime.datetime.weekday() to get the day of the week as...
Calculates the cartesian product of two arrays. Use Array.prototype.reduce(), Array.prototype.map() ...
Add event listener In order to add an event listener to an element, you can use the EventTarget.addE...
Returns all the ancestors of an element from the document root to the given element. Use Node.parent...
Many if not most promise-related headaches come from incorrectly ordered Promise.prototype.then() an...
Escapes a string for use in HTML. Use String.prototype.replace() with a regexp that matches the char...
Array.prototype.forEach() is a great way to iterate over an array, but it doesn’t work for obj...
Unix timestamps are a number representing the number of seconds since the Unix epoch (January 1, 197...
Definition Quicksort is a divide and conquer sorting algorithm. It first divides a large array into ...