throw javascript error code example

Example 1: js throw error

throw new Error('Whoops!')

Example 2: try catch in javascript

try {
  // Try to run this code 
}
catch(err) {
  // if any error, Code throws the error
}
finally {
  // Always run this code regardless of error or not
  //this block is optional
}

Example 3: javascript how to raise the error

if (..condition..) {
    throw 'Error message';
  }

Example 4: javascript throw new error

throw new Error("Error message here"); // Uncaught Error: Error message here

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