JavaScript string contains

This is a simple function in JavaScript, I use it to check if a string contains another string.The different in this function is that the return value is the position+1.So you could use it in an If without to check the return value manually, just see my test from 1 to 3.

This is the function:

Now we make a little test to see if it work:

Seems good:

3 thoughts on “JavaScript string contains”

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