Input Number defaultValue Property - difference between the defaultValue and value property: - Javascript DOM HTML Element

Javascript examples for DOM HTML Element:Input Number

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Description

Input Number defaultValue Property - difference between the defaultValue and value property:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>
Number: <input type="number" id="myNumber" value="2">

<button type="button" onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {//from www.  ja  v a  2  s .  com
    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;
    } else {
        document.getElementById("demo").innerHTML = "The default value was: " + defaultVal + "<br>current value is: " + currentVal;
    }
}
</script>

</body>
</html>

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