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How to check a lookup value for null failing?
Problem is when the retrieved value is null, I am checking if the value is null or not before proceeding further but it ignores the if condition and enters the loop even though the value is null. Country is a lookup field. Can someone please guide me through this?
When to use the safe navigation operator in apex?
Use the safe navigation operator ( ?.) in method, variable, and property chaining. The part of the expression that isn’t evaluated can include variable references, method references, or array expressions. All Apex types are implicitly nullable and can hold a null value returned from the operator.
How to check a null value in JavaScript?
I am writing a odata request in a script which is retrieving the values that I need correctly. Problem is when the retrieved value is null, I am checking if the value is null or not before proceeding further but it ignores the if condition and enters the loop even though the value is null. Country is a lookup field.
What happens if obj.first is null in JavaScript?
If obj.first is null or undefined, the expression automatically short-circuits, returning undefined. This is equivalent to the following, except that the temporary variable is in fact not created:
What to do when user finishes typing in JavaScript?
If the timer expires, the user hasn’t typed for the timer duration – you could call that “finished typing”. If you expect users to make pauses while typing, there’s no way to know when they are done. I feel like the solution is somewhat a bit simpler with the input event:
How to know when a user is done typing?
If you expect users to make pauses while typing, there’s no way to know when they are done. I feel like the solution is somewhat a bit simpler with the input event: step 1.set time out to null then clear the current timeout when the user is typing.
Why does jQuery not call X when user finishes typing?
The chosen answer above does not work. Because typingTimer is occassionaly set multiple times (keyup pressed twice before keydown is triggered for fast typers etc.) then it doesn’t clear properly. The solution below solves this problem and will call X seconds after finished as the OP requested.