Text: splitText()

Baseline

20157

splitText() Text Text 2

Node.normalize()

newNode = textNode.splitText(offset)

offset

Text

IndexSizeError DOMException: 16
NoModificationAllowedError DOMException

<p> 2 <u>

html

<p>foobar</p>

const p = document.querySelector("p");

// <p> 
const foobar = p.firstChild;

// 'foobar'  'foo'  'bar' 
// 'bar'  const 
const bar = foobar.splitText(3);

// <u>  ' new content ' 
const u = document.createElement("u");
u.appendChild(document.createTextNode(" new content "));

// <u>  'bar' 
p.insertBefore(u, bar);

// : <p>foo<u> new content </u>bar</p>


DOM # ref-for-dom-text-splittext

Text
: Node.normalize

MDN

MDN 2023422

GitHub

(DOM)
Text
1. Text()
1. assignedSlot
2. wholeText
1. splitText()
DOM
1. DOM
3. DOM
4. DOM