Jun 10, 2017 · Many built-in JavaScript functions have a return value: Math.min() returns the smallest of the arguments passed to it, document.getElementById() returns the HTML element …

return statement: The return statement exits the function and replaces the function call (i.e. where the function was invoked) with the value after it Note: JavaScript returns undefined by default …

Feb 23, 2017 · JavaScript provides for passing one value back to the code that called it after everything in the function that needs to run has finished running. JavaScript passes a value …

An expression in return statement — 1, 2, 3 — is nothing but a comma operator applied to numeric literals (1 , 2, and 3) sequentially, which eventually evaluates to the value of its last …

$('a').click(function () { callFunction(); return false; }); The return false will return false to the click-event. That tells the browser to stop following events, like follow a link. It has nothing to do with …

Jul 30, 2012 · The return address is saved, usually on the process's call stack, as part of the operation of making the subroutine call. Return statements in many languages allow a function …

139 Using parentheses when returning is necessary if you want to write your return statement over several lines. React.js offers a useful example. In the return statement of the render …

Sep 15, 2010 · I'm refactoring a large javascript document that I picked up from an open source project. A number of functions use inconsistent return statements. Here's a simple example of …

Apr 24, 2023 · In your first example, it logs the return value automatically since that's what the expression evaluates to. The difference is obvious, your second function doesn't return …

Nov 28, 2011 · Function.prototype.method = function (name, func) { this.prototype[name] = func; return this; }; What does "return this" do inside of a function? I know what code above does, …