Node.js, MongoDB, and AngularJS Web Development

Using Finally

Another valuable tool in exception handling is the finally keyword. You can add this keyword to the end of a try/catch block. After the try/catch block is executed, the finally block is always executed, whether an error occurs and is caught or the try block is fully executed.

Here’s an example of using a finally block inside a webpage:

Click here to view code image

function testTryCatch(value){  try {    if (value < 0){      throw "too small";    } else if (value > 10){      throw "too big";    }    your_code_here  } catch (err) {    console.log("The number was " + err);  } finally {    console.log("This is always written.");  }}