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JavaScript Errors - Throw and Try to Catch

The try statement allows you to define a block of code to be tested for errors while it is being executed.
The catch statement allows you to define a block of code to be executed, if an error occurs in the try block.
The JavaScript statements try and catch come in pairs.

Syntax

try
  {
  //Run some code here
  }
catch(err)
  {
  //Handle errors here
  }

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