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C # tutorial
Get a collection of the <body> element's children
The children property returns a collection of an element's child elements.
The children property returns an HTMLCollection object.
The firstElementChild Property
The nextElementSibling Property
The previousElementSibling Property
In the HTML DOM (Document Object Model), an HTML document is a collection of nodes with (or without) child nodes.
Whitespace between elements are also text nodes.
| Type | Description |
| Object | A HTMLCollection object. The collection of element nodes. The elements are sorted as they appear in the document. |
How many children does "myDIV" have:
let count = document.getElementById("myDIV").children.length;
Change the background of the second child element of "myDIV":
const collection = document.getElementById("myDIV").children;
collection[1].style.backgroundColor = "yellow";
Get the text of the third child element (index 2) of a <select> element:
const collection = document.getElementById("mySelect").children[2].text;
Loop all children of <body> and change their background:
const collection = document.body.children;
for (let i = 0; i < collection.length; i++) {
collection[i].style.backgroundColor = "red";
}
element.children is a DOM Level 1 (1998) feature.
It is fully supported in all browsers:
| Chrome | IE | Edge | Firefox | Safari | Opera |
| Yes | 9-11 | Yes | Yes | Yes | Yes |