how to change style js code example

Example 1: add style javascript

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

Example 2: JS change styles

// select element from DOM
const sample = document.getElementById("myid");
// or you can use *vars*
var sample = document.getElementById("myid");

// change css style
sample.style.color = 'red'; // Change color
// or (not recomended)
sample.style = "color: red"; //This changes all styles. NOT RECOMENDED

Example 3: 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 4: change style js

// select element from DOM
const el = document.querySelector('.para')
// change css style
el.style.color = 'purple'