Published on: 21 Oct, 2019

How to replace all string in Javascript?

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In this article, we are going to learn how to replace all string in Javascript using the built-in split and join method.

Let's create a prototype to existing String object in Javascript and extend a new method called replaceAll. Here is our code in Javascript.

String.prototype.replaceAll = function (target, replacement) {
    return this.split(target).join(replacement);
}

Demo

To see how it works, you can check it on the following demo in Codepen.

https://codepen.io/bytutorial/pen/ZEELzVm

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