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  1. #1
    Senior Member
    Join Date
    Apr 2016
    Member #
    10 times

    Urgent help needed

    I'm new to javascript and I cant get the click eventlistener to work, its suppose to set the display of the ul in the header to display: block instead of none

    heres the html

    <!doctype html>
    <html lang="en">


    <meta charset="utf-8">
    <title> How the web works </title>
    <link rel="stylesheet" href="css/style.css" />

    <div id="page">

    <h1> Cole Pratt <span id="h1s"> No.2968615 </span> </h1>
    <img src="images/menuicon.png" alt="menuicon" width="40" id="menuicon"/>
    <ul id="navlink">
    <li><a href="#">home</a></li>
    <li><a href="#">about</a></li>
    <li><a href="#">bio</a></li>

    <script src="scripts/mobilemenu.js" type="text/javascript"></script>


    body {
    background-color: rgb(40, 40, 40);
    font-size: 16px;
    margin: 0 auto;
    font-family: helvetica, arial;

    header {
    position: relative;
    background: linear-gradient(rgb(40, 40, 140), rgb(50,50,180));
    min-height: 40px;
    box-shadow: 0px 0px 5px black inset;

    header h1 {
    position: relative;
    padding: 10px;
    font-style: italic;
    font-size: 1.2em;
    font-weight: bold;
    color: white;

    #h1s {
    font-size: .6em;

    img {
    position: absolute;
    top: 0px;
    right: 10px;

    header ul {
    position: relative;
    display: none;

    header ul li {
    background-color: red;
    text-align: center;
    height: 20px;
    background-color: grey;
    box-shadow: 0px 0px 1px black inset;

    header ul li a {
    text-decoration: none;
    color: white;
    line-height: 20px;
    font-size: .6em;

    and the js

    var menuButton = document.getElementById("menuicon");
    var menu = document.getElementById("navlink");

    function menuclick(){
    if ( == none){ = "block";
    else { = "none";

    menuButton.addEventListener("click", menuclick);


  3. #2
    Senior Member Ronald Roe's Avatar
    Join Date
    Mar 2011
    Oklahoma City
    Member #
    959 times
    You can't read the current display setting that way.

    There is a way to read it, but the better way to do this is to remove or add a class to the element.

    So, do

    } else {
    Then, set the display to none in the default CSS for that element, and create a class .shown and set display to block.

    Or, you can use the classList.toggle() method, but I'm not sure about the support levels for it.
    Ron Roe
    Web Developer
    "If every app were designed using the same design template, oh wait...Bootstrap."

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