Insert a string at a specific index

How can I insert a string at a specific index of another string?

 var txt1 = "foo baz"

Suppose I want to insert "bar " after the "foo" how can I achieve that?

I thought of substring(), but there must be a simpler more straight forward way.

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Insert a string at a specific index 2019-03-13T05:12:00-07:00 Rating: 4.5 Diposkan Oleh: Admin