JavaScript TypeError – “X” is not a constructor
This JavaScript exception is not a constructor that occurs if the code tries to use an object or a variable as a constructor, which is not a constructor.
Message:
TypeError: Object doesn't support this action (Edge)
TypeError: "x" is not a constructor
TypeError: Math is not a constructor
TypeError: JSON is not a constructor
TypeError: Symbol is not a constructor
TypeError: Reflect is not a constructor
TypeError: Intl is not a constructor
TypeError: Atomics is not a constructor
Error Type:
TypeError
Cause of Error: Somewhere the code is trying to use an object or a variable as a constructor, which is not a constructor.
Example 1: In this example, the variable(‘var2’) which is a string, is used as a constructor, So the error has occurred.
Javascript
let var2 = "This is string" ;
console.log( new var2());
|
Output(In Edge console):
TypeError: Object doesn't support this action
Example 2: In this example, Math is used as a constructor, So the error has occurred.
Output(In Edge console):
TypeError: Object doesn't support this action
Last Updated :
22 May, 2023
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