[Solved] how to get round figure in javascript [duplicate]

Question

This should work.

function updatesum() {
    var sum = (document.form.sum1.value -0) / (document.form.sum2.value -0);
    document.form.sum.value = sum.toFixed(3);
}

Accepted Answer

This should work.

function updatesum() {
    var sum = (document.form.sum1.value -0) / (document.form.sum2.value -0);
    document.form.sum.value = sum.toFixed(3);
}