What is the significance, and what are the benefits, of including 'use strict' at the beginning of a JavaScript source file?

What does document.createElement do?

How do you check if a variable todos is an Array?

var a = 11 + ''11''; var b = a + 22; var c = a + b; c = ?

What is the principle of debouncing?

What does this line do? x = new Array(4,8);

Are the two statements below interchangeable? Object.property Object [‘property’]

Which code prints false?

Which JavaScript Regular Expression object method is used to search a string for a specified value and return the result as or false?

Meaning of obfuscation in JavaScript?

What's the output? Public class test75 { Public static void main(string[] args) { System.out.printIn(new A(){{}}.tostring()); } } Class A { Public string tostring() { return getclass().getName(); } }