JavaScript - check if string is empty

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In this article, we would like to show you how to check if string is empty in JavaScript.

Quick solution:

// ONLINE-RUNNER:browser;

const myString = '';

if (myString === '') {
    console.log('myString is empty');
} else {
    console.log('myString is not empty');


Practical examples

In this example, we create a custom function that checks if the string is empty.

// ONLINE-RUNNER:browser;

const isEmpty = (string) => {
    return string ? false : true;

console.log( isEmpty('') );            // true
console.log( isEmpty('sample text') ); // false


This solution can be used to check if the string is null or undefined too.

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