Show Hide DIV with TextBox when CheckBox is checked unchecked using JavaScript and jQuery

Here Mudassar Ahmed Khan has explained how to show and hide HTML DIV with TextBox when CheckBox is checked (selected) and unchecked (unselected) using JavaScript and jQuery. When the CheckBox is clicked based on whether it is checked (selected) or unchecked (unselected), the HTML DIV with TextBox will be shown or hidden.