How can I get the onclick event (this value change when click on div) in jQuery?
$("ul li").click(function(){
  var v = $(this).val();
});
$(function(){
  alert(v);
});
How can I get the onclick event (this value change when click on div) in jQuery?
$("ul li").click(function(){
  var v = $(this).val();
});
$(function(){
  alert(v);
});
 
    
    $(function() {
    var v;
    $('ul li').click(function() {
        v = $(this).val(); // .text() - consider
        testFunction();
    });
    function testFunction() {
        alert(v);
    }
});
Your issue was variable scope, you were defining a variable only available to the click function. If you define it outside of the function it will be available to other in scope functions.
Here's a demo:
You might want to consider using .text() instead of .val()
 
    
    as I understand that you want to change the text of a div
your div is as follow
 <div>123</div>
you can do it as
<script>
$("div").click(function () {
 $(this).replaceWith( "new text " );
});
</script>
EDIT you can use global variable as follow
 $.mynamespace = {};
$("ul li").click(function(){
       $.mynamespace.myVar  = $(this).val();
});
$(function(){
  alert( $.mynamespace.myVar );
});
refer How to store a global value (not necessarily a global variable) in jQuery?
 
    
     
    
    If what you mean getting the innerHTML of the div when clicked, here is a code that could help
$("div").click(function(){console.log($(this).html())})
