JavaScript String charAt()
Examples
Get the first character in a string:
let text = "HELLO WORLD";
let letter = text.charAt(0);
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Get the second character in a string:
let text = "HELLO WORLD";
let letter = text.charAt(1);
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Get the last character in a string:
let text = "HELLO WORLD";
let letter = text.charAt(text.length-1);
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More examples below.
Definition and Usage
The charAt() method returns the character at a specified index (position) in a string.
The index of the first character is 0, the second 1, ...
See Also:
Syntax
string.charAt(index)
Parameters
| Parameter | Description |
| index | Optional. The index (position) of the character. Default = 0. |
Return Value
| Type | Description |
| String | The character at the specified index. Empty string ("") if the index is out of range. |
More Examples
Index out of range returns empty string:
let text = "HELLO WORLD";
let letter = text.charAt(15);
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Default index is 0:
let text = "HELLO WORLD";
let letter = text.charAt();
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Invalid index converts to 0:
let text = "HELLO WORLD";
let letter = text.charAt(3.14);
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Browser Support
charAt() is an ECMAScript1 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
| Chrome | IE | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes | Yes |
