js get element inside element code example

Example 1: get elment by id within get element byclassname

var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
targetDiv.textContent = "Goodbye world!";

Example 2: js select element inside of div

var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];

Example 3: get all a tags javascript

document.anchors