HTML DOM length property
Examples
Properties button returns the number of elements:
document.getElementsByTagName("BUTTON")[0].attributes.length;
Output:
1
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Definition and Usage
The length property returns the number of options in the collection of nodes.
Browser Support
All major browsers support length property
Note: Internet Explorer 8 and earlier versions of IE, length property returns the number of all possible elements of a property.
grammar
namednodemap .length
technical details
return value: | Number represents the number of nodes. |
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DOM version | Core Level 1 |