how to make a public var javascript code example
Example 1: javascript define global variable
window.myGlobalVariable = "I am totally a global Var"; //define a global variable
var myOtherGlobalVariable="I too am global as long as I'm outside a function";
Example 2: create global variable inside function JavaScript
<script>
function foo() {
window.yourGlobalVariable = ...;
}
</script>