JavaScript String Object Charat method entry instance (used to get the character at the specified position) _ Basics

Source: Internet
Author: User

JavaScript CharAt method

The CharAt method is used to get the character at the specified position from the string. The syntax is as follows:

Copy Code code as follows:

Str_object.charat (x)

Parameter description:

Parameters Description
Str_object The string to manipulate (object)
X Necessary. A number that represents a location

Tip: The string is counted starting from 0.

CharAt Method Instance

Copy Code code as follows:

<script language= "JavaScript" >
document.write ("jb51". CharAt (1));
</script>

Run the example and output:

Copy Code code as follows:

B

Tip: If the parameter x is not between 0 and the maximum length of the string, the method returns an empty string.

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