JavaScript Can Change HTML Attributes (JNNC Technologies)


This example changes an HTML image by changing the src (source) attribute of an <img> tag:

The Light Bulb

JavaScript Can Change HTML Styles (CSS)

Changing the style of an HTML element, is a variant of changing an HTML attribute:

Example

document.getElementById("demo").style.fontSize = "35px";
or
document.getElementById('demo').style.fontSize = '35px';
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