In this tutorial we will learn how to Get id Of Child Element using JavaScript. HTML DOM Element children property can be used for this purpose which returns the child elements of a parent HTML element.
Table of Contents
HTML Code
HTML Code is given below, in this code we have a parent element which is a div and we have a child element which is a paragraph tag. HTML button tag is also used with onclick event which will execute a JavaScript function to Get the id of child element.
<div id="parent">
<p id="child">This is Child Element</p>
</div>
<button onclick="getId()">Get Id</button>
JavaScript Code
Take a look at the JavaScript code, the HTML DOM getElementById method, HTML DOM Element children property and id property is used in this code.
<script>
function getId()
{
const parent = document.getElementById('parent');
const child = parent.children;
const id = child[0].id;
alert(id);
}
</script>
getElementById() Method
HTML DOM getElementById() Method is used to select or target HTML element by it's id.
In this example it is used to select the parent element.
HTML DOM Element children property
The children property returns the child elements of the parent HTML element.
id property
The id property sets or returns the id of specific element.
Demo
Video Tutorial
Watch video tutorial on Get id Of Child Element JavaScript.