The length attribute in How to use the length attribute is used to return the number of characters in a string, which is the length of the string. In the following article, we will briefly introduce the usage of the length attribute.
Basic syntax of the length attribute
string.length
Note: The length of an empty string is 0.
Let’s take a look at Specific examples
The code is as follows
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<script type="text/javascript">
var str = new String("php中文网");
document.write("字符串长度为："+str.length);
</script>
</body>
</html>The running effect on the browser is as follows: We can see the "php Chinese network" characters The length of the string is 6.
#The application of the length attribute is very simple. This article ends here. For more exciting content, you can pay attention to other column tutorials on the PHP Chinese website.
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