check for substring javascript

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showing results for - "check for substring javascript"
Bastien
14 Jan 2017
1const string = "javascript";
2const substring = "script";
3
4console.log(string.includes(substring));  //true
Clodagh
12 Sep 2020
1var string = "foo",
2    substring = "oo";
3
4console.log(string.includes(substring));
Finn
25 Mar 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)
Julian
10 Jul 2016
1
2var str = "Hello world, welcome to the universe.";
3var n = str.includes("world");
4 
Jojo
30 Jun 2019
1var str = "We got a poop cleanup on isle 4.";
2if(str.indexOf("poop") !== -1){
3	alert("Not again");
4}
Kallie
02 Oct 2019
1var string = "foo",
2var substring = "oo";
3
4console.log(string.includes(substring));
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