query selector for element ref code example
Example 1: javascript queryselector
//Pretend there is a <p> with class "example"
const myParagraph = document.querySelector('.example');
//You can do many this with is
myParagraph.textContent = 'This is my new text';
Example 2: js queryselector find without attribute
var test = document.querySelectorAll('input[value][type="checkbox"]:not([value=""])');