how to limit decimal places javascript code example

Example 1: javascript snumber two decimal places as string

let money = 1.6;

money.toFixed(2); // 1.60

Example 2: javascript limit input to 2 decimal places

var validate = function(e) {
  var t = e.value;
  e.value = (t.indexOf(".") >= 0) ? (t.substr(0, t.indexOf(".")) + t.substr(t.indexOf("."), 3)) : t;
}