check object is null empty or undefined
function isRealValue(obj)
{
return obj && obj !== 'null' && obj !== 'undefined';
}
//Use isRealValue(obj) to check further, will always return truthy object.
check object is null empty or undefined
function isRealValue(obj)
{
return obj && obj !== 'null' && obj !== 'undefined';
}
//Use isRealValue(obj) to check further, will always return truthy object.
object empty or undefined
return value == null; // also returns true if value is undefined
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