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How to use the length attribute in JavaScript_Basic knowledge

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Release： 2016-05-16 15:56:19

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This property returns the number of characters in the string.
Grammar

string.length

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Here are the details of the parameters:

A string

Return value:

Returns the number of characters in the string.
Example:

<html>
<head>
<title>JavaScript String length Property</title>
</head>
<body>
<script type="text/javascript">
  var str = new String( "This is string" );
  document.write("str.length is:" + str.length); 
</script>
</body>
</html>

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This will produce the following results:

str.length is:14

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Related labels：

javascript length

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