document.queryselectorall example

Example 1: js foreach querySelectorAll

const allSpanElements = document.querySelectorAll('span');

allSpanElements.forEach((spanElement) => {
  	// Here comes the Code that should be executed on every Element, e.g.
	spanElement.innerHTML = "This Content will appear on every span Element now";
});

Example 2: js queryselectorall

var container = document.querySelector("#test");
var matches = container.querySelectorAll("div.highlighted > p");