value change event jquery

1You can apply any one approach:
2
3$("#Input_Id").change(function(){   // 1st
4    // do your code here
5    // When your element is already rendered
6});
7
8
9$("#Input_Id").on('change', function(){    // 2nd (A)
10    // do your code here
11    // It will specifically called on change of your element
12});
13
14$("body").on('change', '#Input_Id', function(){    // 2nd (B)
15    // do your code here
16    // It will filter the element "Input_Id" from the "body" and apply "onChange effect" on it
17});

1$("input").change(function(){
2  alert("The text has been changed.");
3});

1$("#input").change(function(){
2  alert("The text has been changed.");
3});

1$(document).on('change', 'input', function() {
2  // Does some stuff and logs the event to the console
3});
4

1$('#myTextAreaID').on('input propertychange paste', function() {
2    //my Textarea content has changed
3});