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<!DOCTYPE html> <html> <body> <h1>JavaScript Strings</h1> <h2>The substr() Method</h2> <p>substr() extracts a part of a string:</p> <p id="demo"></p> <script> let text = "Hello world!"; let result = text.substr(-6, 6); document.getElementById("demo").innerHTML = result; </script> </body> <!-- /jsref/tryit.asp?filename=tryjsref_substr1 </html>
