javascript parameter to add document queryselector class code example
Example 1: add class queryselector
const element = document.querySelector("#box");
element.classList.add("class-name");
Example 2: queryselector name attribute
document.querySelectorAll('[property]');
document.querySelectorAll('[property="value"]');
Example 3: javascript queryselector
const myParagraph = document.querySelector('.example');
myParagraph.textContent = 'This is my new text';
Example 4: add class queryselector
<div id="box"></div>