Context Menu

by Santosh Thakur

HTML

<input id="txtNumber" type="text" value="55" style="width:30px" onclick="add(event)" oncontextmenu="subtract(event) " />

JavaScript

function add() {
  var txtNumber = document.getElementById("txtNumber");
  var newNumber = parseInt(txtNumber.value) + 1;
  txtNumber.value = newNumber;
}

function subtract(e) {
alert("You are not doing right " + e);
  e.preventDefault();
  var txtNumber = document.getElementById("txtNumber");
  var newNumber = parseInt(txtNumber.value) - 1;
  txtNumber.value = newNumber;
  return false;
}