https://stackoverflow.com › questions › 855360

return false; then is useful in event handlers, because this will value is used by the event-handler to determine further action. return false; cancels events that normally take place with a handler, while return true; lets those events to occur.

https://www.geeksforgeeks.org › when-and-why-to-return-false-in-javascript

Below is the example of a return statement in JavaScript. Example 1: // The return statement returns . // the product of 'a' and 'b' . function myFunction(a, b) { . return a * b; . } . Example 2: Similarly, we can return true or false in a simple JavaScript function. function isEqual(num1, num2) { . if (num1 == num2) { . return true; .

https://www.delftstack.com › fr › howto › javascript › javascript-return-false

Utiliser la méthode preventDefault() en JavaScript. Utiliser la méthode Return False en JavaScript. Quand et pourquoi utiliser return false en JavaScript. Différence entre return false et preventDefault() en JavaScript.

https://bito.ai › resources › return-false-in-javascript-javascript-explained

Some common uses of returning false in Javascript: Indicating failure in conditional checks or validation functions. Preventing default browser behaviors like form submission. Halting further execution of a function. Stopping event propagation through the DOM. However, return false does come with caveats.

https://www.w3schools.com › JS › js_booleans.asp

Boolean objects can produce unexpected results: When using the == operator, x and y are equal: let x = false; let y = new Boolean (false); Try it Yourself ». When using the === operator, x and y are not equal: let x = false; let y = new Boolean (false); Try it Yourself ».

https://developer.mozilla.org › en-US › docs › Learn › JavaScript › Building_blocks › Return_values

If the condition returns false, the num value is a number and the function prints out a sentence inside the paragraph element that states the square, cube, and factorial values of the number. The sentence calls the squared() , cubed() , and factorial() functions to calculate the required values.

https://stackoverflow.com › questions › 128923

using return false in an onclick event stops the browser from processing the rest of the execution stack, which includes following the link in the href attribute. In other words, adding return false stops the href from working. In your example, this is exactly what you want.