How do I check if a string contains a different substring?

How do I check if a string contains another string in JavaScript? Normally, I would use the String.contains() method, but I don't think I can. What can I do?

javascript string

2022-09-22 08:30

1 Answers

String.prototype.indexOf returns the position of the string. Returns -1 if the string is not included.

var string = "foo",
    substring = "oo";
console.log(string.indexOf(substring) > -1);

2022-09-22 08:30

If you have any answers or tips

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