How To Update Javascript Variable Value In Html Without A Page Refresh
I am collecting a text area value(number in decimal ) using its id to a javascript variable, adding another variable value (number in decimal), and displaying the result in same ht
Solution 1:
If it's going to update whenever you type into the input, you need an event handler:
document.getElementById('num').onkeyup = function() {
var a = 1000 + parseFloat(this.value);
document.getElementById("test").innerHTML = a || 0;
}
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