String includes()

The includes() method of strings returns whether a search string appears within the string.

Baseline Status: Achieved Widely Available on Mar 30, 2018 (Cross-browser Newly Available since Sep 30, 2015).

Desktop Browser Engine Support

Google Chrome

41

Supported

Mozilla Firefox

40

Supported

Apple Safari

9

Supported

Microsoft Edge

12

Supported

Mobile Browser Engine Support

Chrome Android

41

Firefox Android

40

Safari iOS

9

Specifications and References

MDN Browser Compat Data Keys: