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<html><body><p>Change the number in the number field, and then click the button below.</p>Number: <input type="number" id="myNumber" value="2"><p>Note that the default value is not affected when you change the value of the number field.</p><button type="button" onclick="myFunction()">Try it</button> <p id="demo"></p><script>function myFunction() { var x = document.getElementById("myNumber"); var defaultVal = x.defaultValue; var currentVal = x.value; if (defaultVal == currentVal) { document.getElementById("demo").innerHTML = "Default value and current value is the same: " + x.defaultValue + " and " + x.value + "<br>Change the number of number field to see the difference!"; } else { document.getElementById("demo").innerHTML = "The default value was: " + defaultVal + "<br>The new, current value is: " + currentVal; }}</script></body></html>