Ví dụ về việc sử dụng Is undefined trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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Colloquial
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Ecclesiastic
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Computer
Var x;// x is undefined.
Uncaught ReferenceError: jQuery is undefined.
The expression is undefined for what values of x?
It's undefined. 1 over 0 is undefined.
Another example is undefined and null in JavaScript.
But the general idea is that n is undefined.
Chrome. idle is undefined in chrome extension.
This makes it appears as if it is undefined.
This' object is undefined inside callback having parameter, in jquery.
U" The symbol is undefined.
If the object is undefined or null, then"undefined" or"null" is returned accordingly.
The result of this code is undefined and 2.
Clicking any of the list item'sbuttons throws an error because the jumpTo method is undefined.
If x is null and y is undefined, return true.
The initial value of all other variables is undefined.
U indicates that the function g is undefined for a particular input value.
If path doesn't exist, the return value is undefined.
In casino gambling, the risk is undefined and open to control by factors outside the control of the player.
The value of a variable that is not initialize is undefined.
As yet it is undefined and casts an evocative shadow over the mental inscape of all of us in these days.
The interpretation of values 1501- 1535, inclusive, is undefined.
See the table for details. a modulo 0 is undefined in most systems, although some do define it as a.
If this is not done,the order in which the arguments are printed is undefined.
Xyz is going to be defined as usual,abc is undefined in all browsers but Internet Explorer- do not rely on it being defined.
What is the most appropriate way to test if a variable is undefined in JavaScript?
If a variable is declared, but not assigned,then its value is undefined.
This error is thrown when you try to access a variable that is undefined or is outside the current scope.
So let me write it again… well,it's kind of redundant but I will rewrite it. f(1) is undefined.
In this case,an initial value is necessary because if at the first iteration the variable1 is undefined, all future evaluations will break.
When the promise is created, PromiseStatus has a value of pending,and PromiseValue is undefined.