Difficulty adapting CSS using JavaScript

Question

Difficulty adapting CSS using JavaScript

I am looking to adjust the padding of my header to give it a sleeker appearance on the page. I attempted to achieve this with the code below, but it seems to have no effect:

function openPage() {
    var i, el = document.getElementById('headbar');
    for(i=0;i<30;i++) {
        el.style.paddingTop = el.style.paddingTop + 1;
    }
}

During my troubleshooting efforts in the console, I realized that specifying pixels is essential for the padding to change as shown by the following successful code snippet:

document.getElementById('headbar').style.paddingTop='100px';

Is there a way to accomplish this without using jQuery and avoiding string manipulation?

javascript html css dom

Answer 1

Answer №1

Adding px to the variable might do the trick

 let paddingSize = parseInt(element.style.marginRight, 10);
 element.style.marginRight = ((!isNaN(paddingSize) ? paddingSize : 0) + 1) + 'px';

Answer 2

Adding px to the variable might do the trick

 let paddingSize = parseInt(element.style.marginRight, 10);
 element.style.marginRight = ((!isNaN(paddingSize) ? paddingSize : 0) + 1) + 'px';

Answer 3

Answer №2

Here's a straightforward way to achieve this:

for(i=0;i<30;i++) {
     var px = (element.style.paddingTop + 1) + "px";
     element.style.paddingTop = px;
}

Answer 4

Here's a straightforward way to achieve this:

for(i=0;i<30;i++) {
     var px = (element.style.paddingTop + 1) + "px";
     element.style.paddingTop = px;
}

Difficulty adapting CSS using JavaScript

Answer №1

Answer №2

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