Jquery Important Methods

Here are the some Jquery important methods and functions:

1. Add html to div with jquery:

$("#divID").html("Html Added!!");

2. Disable Input Field:

$("#inputID").attr('disabled', 'disabled');

3. Email Pattern:

var pattern = /^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;

4. Add Class To Div:

$("#divID").addClass("Added");

5. Input Field Empty or not:

$("input").val().length == 0;