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<!DOCTYPE html> <html> <body> <p>Click the button to round the number 1.6 downward to it's nearest integer.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var a = Math.floor(0.60); var b = Math.floor(0.40); var c = Math.floor(5); var d = Math.floor(5.1); var e = Math.floor(-5.1); var f = Math.floor(-5.9); var x = a + "<br>" + b + "<br>" + c + "<br>" + d + "<br>" + e + "<br>" + f; document.getElementById("demo").innerHTML = x; } </script> </body> </html>