Copy the textarea value to another textarea
Copying the textarea 1's value into another text area based on the checkbox selected.
HTML
<textarea name="" id="te1" cols="30" rows="10"></textarea>
<textarea name="" id="te2" cols="30" rows="10"></textarea>
<input type="checkbox" class="cb1">
JavaScript
$(function(){
$(".cb1").click(function(){
alert("hello");
if($(this).prop("checked")){
$("#te2").val($("#te1").val());
}
});
});