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Showing content from https://webplatform.github.io/docs/dom/CharacterData/substringData below:

substringData · WebPlatform Docs

substringData Summary

Extracts a range of characters from the node.

Method of dom/CharacterData dom/CharacterData

Syntax

var substring = textualNode.substringData(offset, count);

Parameters offset

Data-type: String

The zero-based offset from which to start.

count

Data-type: String

The number of characters to extract.

Return Value

Returns an object of type StringString

The requested substring.

Examples


var phrase = document.createTextNode ("A flawed plan today is way better than a perfect plan tomorrow.");

var subst = phrase.substringData(23, 3);

alert(subst);

Notes

If the sum of the offset and count parameters exceeds the number of characters in the object, then an error is returned.

Syntax Standards information

Document Object Model (DOM) Level 3 Core Specification, Section 1.4

Related specifications

DOM Level 3 Core: Recommendation

Attributions

Microsoft Developer Network: [Windows Internet Explorer API reference Article]

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