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JavaScript length Property
JavaScript String Object
Definition and Usage
The length property returns the length of a string (in characters).
Syntax
string.length
Browser Support
The length property is supported in all major browsers.
Example
Example
Return the number of characters in a string:
<script>
var txt = "Hello World!";
document.write(txt.length);
</script>
var txt = "Hello World!";
document.write(txt.length);
</script>
The output of the code above will be:
12
Try it yourself »
JavaScript String Object
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