javascript contains substring

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Fernando
14 Jul 2018
1const string = "javascript";
2const substring = "script";
3
4console.log(string.includes(substring));  //true
Simon
04 Aug 2019
1var str = "We got a poop cleanup on isle 4.";
2if(str.indexOf("poop") !== -1){
3	alert("Not again");
4}
5//use indexOf (it returns position of substring or -1 if not found)
Lala
06 Apr 2018
1const pets = ['cat', 'dog', 'bat'];
2
3console.log(pets.includes('cat'));
4// output: true
Clementine
14 Oct 2018
1stringVariable.includes("Your Text");
Mathilda
12 Jan 2021
1let String = "codegrepper";
2let Sub = "grepper";
3
4console.log(String.includes(Sub)); // true
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