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Editorial Team
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Asked: 2026-06-09T16:04:58+00:00

If there is an element like this: var c = document.createElement(‘a’); Then one can

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If there is an element like this:

var c = document.createElement('a');

Then one can add the attribute name simply by doing:

c.name = "a1";

What is the purpose of setAttribute() if one can just use the dot notation?

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1 Answer

  1. Editorial Team

    An attribute is not the same thing as a property.

    Attributes are usually created in your HTML, and will become an object member of element.attributes. Some will also set a corresponding property.

    There are some attributes that update when you change the property, but others that do not. For example, the .value property will not change the attribute on input elements. Or custom properties do not become custom attributes.

    Most of the time you probably want to set the property, but if you want to change the attribute, then in some cases you must use setAttribute

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