Adjust the size of an Element with jQuery

I currently have a hamburger and menu positioned on the left side, with a width set to 0px.

Is there a way for me to make the width of the menu change to 250px after clicking on the hamburger icon for the first time, and then change back to 0px after clicking on it for the second time?

var initialWidth = $('.hamburger-menu__list').css('width');

$('.hamburger-toggle').click(function(){
    $(this).toggleClass('open');
    if (initialWidth == '0' ) {
        $('.hamburger-menu__list').css('width', 250);
    } 
    else {
        $('.hamburger-menu__list').css('width', 0);
    };
});
javascriptjqueryhtmlcss

Answer №1

This method is effective. It's important to monitor the width of the hamburger menu consistently.

$('.hamburger-icon').click(function(){
    var menuWidth = $('.menu-items').css('width');
    $(this).toggleClass('active');
    if (menuWidth == '0' ) {
        $('.menu-items').css('width', 200);
    } 
    else {
        $('.menu-items').css('width', 0);
    };
});

Answer №2

Make sure to cache the element while accessing its width every time a click event is triggered.

Consider using the ternary-operator as it is an ideal solution for this specific scenario.

var hamburger = $('.hamburger-menu__list');

$('.hamburger-toggle').click(function() {
  $(this).toggleClass('open');
  var hamburgerWidth = hamburger.css('width');
  $('.hamburger-menu__list').css('width', hamburgerWidth == '0' ? 250 : 0);
});

Answer №3

Make sure to always check the width each time you click on the button. Additionally, remember to use parseInt to obtain a valid number as css('width') will include the 'px' suffix, for example, 250px. Using parseInt will remove the prefix and provide a pure number. Give this a try:

$('.nav-toggle').click(function(){
    var navWidth = parseInt($('.nav-menu__list').css('width'));

    $(this).toggleClass('open');

    if (navWidth === 0) {
        $('.nav-menu__list').css('width', 250);
    } else {
        $('.nav-menu__list').css('width', 0);
    };
});

Answer №4

const
    $menu = $('.hamburger-menu__list').css('width'),
    $toggle = $('.hamburger-toggle'),
    isOpen = false;

function toggleMenu() {
    isOpen = !isOpen;
    $toggle.toggleClass('open', isOpen);
    $menu.width(isOpen ? 250 : 0);
}

$toggle.click(toggleMenu);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

When it comes to DOM manipulation, relying on asynchronous operations can lead to problems. Using a state variable like isOpen helps maintain a single source of truth for the current state of the menu.

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