jvascript indexof

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Lisa
29 Aug 2018
1//indexOf getting index of array element, returns -1 if not found
2var colors=["red","green","blue"];
3var pos=colors.indexOf("blue");//2
4
5//indexOf getting index of sub string, returns -1 if not found
6var str = "We got a poop cleanup on isle 4.";
7var strPos = str.indexOf("poop");//9
Filippo
24 Apr 2020
1
2let str = "Hello world, welcome to the universe.";
3
4str.indexOf("welcome")   // Returns 13
5
6str.indexOf("Welcome")   // Returns -1
7 
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