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Substring() With Negative Input Value In Javascript
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<!DOCTYPE html> <html> <head> <title>Demo</title> </head> <body> <h1>Start parameter is negative.</h1> <p>Click the below button to extract.</p> <input type="button" value="Extract" onclick="Function()" /> <p id="myId"></p> <script> function Function() { var A = "TechFunda"; var r = A.substring(-1); document.getElementById("myId").innerHTML = r; } </script> </body> </html>
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