JavaScript charAt () method
Examples
Returns a string in the third character:
var str = "HELLO WORLD";
var n = str.charAt(2)
var n = str.charAt(2)
n output:
L
try it"
Definition and Usage
charAt () method returns the character at the specified location.
The first character position is 0, the second character position is 1, and so on.
Browser Support
All major browsers support charAt () method
grammar
string.charAt( index )
Parameter Value
| 参数 | 描述 |
|---|---|
| index | 必需。表示字符串中某个位置的数字，即字符在字符串中的位置。 |
return value
| 类型 | 描述 |
|---|---|
| String | 返回在指定位置的字符。 |
technical details
| JavaScript version: | 1.0 |
|---|
More examples
Examples
Returns the last character in the string:
var str = "HELLO WORLD";
var n = str.charAt(str.length-1);
var n = str.charAt(str.length-1);
n Return value:
D
try it"