How to change content of css using jQuery toggle

Tags: javascript,jquery,html,css

Problem :

I have a navicon made of css content property.

The code looks like this

#nav:before {
    content: '=';
function navigation() {
    $('#navigation').click(function() {
            'content': 'x'
window.onload = navigation;

<nav id="toggle">

This is not working. How can I call default property when the user clicks the x mark?

Solution :

You can try something like this


<div class="nav pseudo"></div>


$('button').click(function() {

    $('.nav').slideUp(function() {
        var nav = $(this);
        if(nav.hasClass('pseudo')) {
        } else {



.nav {
    padding: 5px;
    border: 1px solid black;
    display: inline-block;

.active:before {
    content: "x";

.pseudo:before {
    content: "=";

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