It’s possible to get an empty HTTP_REFERER. The scenarios under which the referrer field will/may be empty when the end-user entered the site URL in
Month: February 2018
How to determine if the variable is undefined or null in AngularJS?
How to determine if the variable is undefined or null? Angular have angular.isUndefined but not angular.isUndefinedOrNull. In this post, we will show 3 ways to determine if
Check if element is visible or hidden in jQuery?
Check if element is visible or hidden in jQuery? The below code will help to identify if the element is visible or not: