javascript string contains substring
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
//use indexOf (it returns position of substring or -1 if not found)javascript string contains substring
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
//use indexOf (it returns position of substring or -1 if not found)javascript check if string contains at the begins with substring
var str = "Hello world, welcome to the universe.";
var n = str.startsWith("Hello");Copyright © 2021 Codeinu
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