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Subtract And Assign
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<!DOCTYPE html> <html> <head> <title>Demo</title> </head> <body> <h1>Subtract and Assign</h1> <script> function Subtractassignvalue() { var a = document.getElementById("txtA").value; var result = 5; result -= parseInt(a); alert(result); } </script> Enter two digit: <input type="text" id="txtA" name="txtA" /> <input type="button" name="btnSubtractassignvalue" value="Subtract & Assign value" onclick="Subtractassignvalue()" /> </body> </html>
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