How to Set HTML Element Background Colors using CSS Properties in JavaScript?

Setting HTML Element Background Colors with CSS Properties in JavaScript

When customizing HTML elements with JavaScript, it's essential to manipulate CSS properties effectively. Setting the background color is one such common requirement.

JavaScript Syntax

To set the background color of an HTML element using CSS properties in JavaScript, we convert the dashes from the CSS property to camelCase. For example, "background-color" becomes "backgroundColor."

Example

Consider the following code:

function setColor(element, color) {
  element.style.backgroundColor = color;
}

// where el is the concerned element
var el = document.getElementById('elementId');
setColor(el, 'green');

In this example, the "setColor" function accepts the element and color as parameters. It sets the background color of the given element ("el") to green.

Explanation

• The "el" variable references the HTML element with the ID "elementId."
• The "setColor" function uses the "style" property of the element and modifies its "backgroundColor" property.
• By assigning a color value (e.g., 'green'), the background color of the specified element is set.

Note:

This method works for any CSS property. Simply convert the CSS property name to camelCase and use it as a JavaScript property of the "style" object.

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