javascript - How can I determine if a variable is 'undefined' or 'null'?
How do I determine if a variable is undefined or null?
My code is as follows:
var EmpName = $("div#esd-names div#javascript if(EmpName == 'undefined'){
// DO SOMETHING
};
div id="esd-names"
div id="name"/div
/div
But when I do this, the JavaScript interpreter halts execution.
abstract equality operator: http://www.ecma-international.org/ecm...
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