javascript check if string contains at the begins with substring

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Claudio
20 Feb 2018
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)
source
Anouk
10 Mar 2016
1
2var str = "Hello world, welcome to the universe.";
3
4var n = str.startsWith("Hello");
5
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