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How to check a String contains another sub string using JavaScript

+1 vote
asked in Programming by raman (530 points)
I am trying to verify that a string contains another sub string , Because I am using JavaScript so String.contains() method is not working in this case.
Please help me out on this. Thanks For your help! 

1 Answer

0 votes
answered by monika (2,040 points)
First of all i would like to let know about indexOf() its a method which returns index within the calling String ,When it does not found any value so it returns -1.
For more info of  indexOf()
See this code here: 
var s = "foo";
alert(s.indexOf("oo") > -1);
I hope you got my point.

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