js element style code example

Example 1: add style javascript

// Bad:
element.setAttribute("style", "background-color: red;");
// Good:
element.style.backgroundColor = "red";

Example 2: how to change style of an element using javascript

<html>
<body>

<p id="p2">Hello World!</p>

<script>
document.getElementById("p2").style.color = "blue";
</script>

<p>The paragraph above was changed by a script.</p>

</body>
</html>

Example 3: javascript style an element

// Getting the element first
var myElement = document.querySelector("#myElement");

// examples for updating styles
myElement.style.color = "blue";
myElement.style.backgroundColor = "red";

Example 4: js style

const title = document.querySelector('h1')

//title.setAttribute('style', 'margin: 50px');

console.log(title.style); // Show all style propertyes
console.log(title.style.color); // Log a color in console

title.style.margin = '50px'; // Set a margin of title
title.style.color='crimson'; // Set a color of title
title.style.fontSize = '60px'; // Set font size of title

Example 5: document style

document.getElementById("myH1").style.color = "red";

Example 6: style through javascript

element.style.backgroundColor = "red";   // set the background color of an element to red

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Javascript Example

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