How to check if a string contains a certain substring?

JavaScript: How to check if a string contains a certain substring?

If you have a string foobar, you can check if it contains the string bar by doing this:

  1. let some_string = "foobar";
  2.  
  3. if (some_string.includes("foo")) {
  4.                 alert("contains it!") ;
  5. }

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webdevetc

I am a 29 year old backend web developer from London, mostly focusing on PHP and Laravel lately. This (webdevetc.com) is my blog where I write about some web development topics (PHP, Laravel, Javascript, and some server stuff). contact me here.



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