I'm having trouble getting my JavaScript function to run all of the code

Can you please assist me in solving this problem by following this code snippet:

function openNav() {
    document.getElementById("mySidenav").style.width = "250px";
    document.getElementById("main").style.marginLeft = "250px";
    document.getElementById("name-page").style.width = "738px";
    document.getElementById("news").style.marginLeft = "0";
    document.getElementById("ida").style.marginLeft = "0";
}

function closeNav() {
    document.getElementById("mySidenav").style.width = "0";
    document.getElementById("main").style.marginLeft= "0";
    document.getElementById("name-page").style.width = "930px";
    document.getElementById("news").style.marginLeft = "125px";
    document.getElementById("ida").style.marginLeft = "125px";
}

The style of id=news can be changed, but the style of id=ida must remain constant. If written like this:

function openNav() {
    document.getElementById("mySidenav").style.width = "250px";
    document.getElementById("main").style.marginLeft = "250px";
    document.getElementById("name-page").style.width = "738px";
    document.getElementById("ida").style.marginLeft = "0";
    document.getElementById("news").style.marginLeft = "0";
}


function closeNav() {
    document.getElementById("mySidenav").style.width = "0";
    document.getElementById("main").style.marginLeft= "0";
    document.getElementById("name-page").style.width = "930px";
    document.getElementById("ida").style.marginLeft = "125px";
    document.getElementById("news").style.marginLeft = "125px";
}

The style for id=news must not change, while the style for id=ida is allowed to change.

I would greatly appreciate any help you can provide. Thank you for your understanding.

javascriptcss

Answer №1

Ensure element existence before applying style changes:

...
if(document.getElementById("newsfeed")) {
    document.getElementById("newsfeed").style.paddingLeft = "15px";
}    
if(document.getElementById("comments")) {
    document.getElementById("comments").style.paddingRight = "20px";
}
...

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