An identifier is a name having a few letters, numbers and special characters _ (underscore). It is used to identify a variable, function, symbolic constant and so on.
Ex-
- X2
- PI
- Sigma
- matadd
![](https://www.scmgalaxy.com/tutorials/wp-content/uploads/2021/07/identifier-in-javascript.png)
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An identifier is a name having a few letters, numbers and special characters _ (underscore). It is used to identify a variable, function, symbolic constant and so on.
Ex-