Jquery Named functions and function vars
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<button onclick="foo1()">Foo1</button>
<button onclick="foo2()">Foo2</button>
<button onclikc="foo3()">Foo3</button>
<script>
//1.
function foo1(){
alert("foo1");
}
//2.
var foo2 = foo1;
//3.
var foo3 = function(){
foo1();
}
</script>