WebView Android Full support 1. You can then reference the object's properties in the catch block. Firefox, Opera, and Chrome all call String on the value that was thrown to display something logical as the error message; Safari and Internet Explorer do not. Learn the best of web development Get the latest and greatest from MDN delivered straight to your inbox. Parse error. Not very useful when we are working on our code and debugging it. The following article perhaps goes into some more detail as to which is a better choice; throw 'An error' or throw new Error 'An error' :.
The throw statement throws a user-defined exception. Adjust month number for array index (1 = Jan, 12 = Dec) var months = ['Jan', 'Feb'. The try statement lets you test a block of code for errors.
Additional Information Subscribe by Email Enter your email address:. DateTimeFormat Intl. Linked 1. The try statement allows you to define a block of code to be tested for errors while it is being executed.
For example, consider our old power function:.
Milan-san remo distanza km
Email Required, but never shown. ListFormat Intl. IE Full support 5.
Safari and Internet Explorer simply throw an “uncaught exception” error and For example, trying to create an array with items (new Array()).
You can then reference the object's properties in the catch block. Asked 7 years, 9 months ago. In exception handling, you often group statements that are tightly coupled.
There are no rules prohibiting specific data types:. Sebastian Simon By checking for the more specific error types, you get more robust error handling:.
It begins with a general Find a place where errors can be handled: catch exceptions. At (1), the following. new Array(-1) RangeError: Invalid array length.
This is great for creating your own definitions of what an error is and when control should be transferred to catch. Asked 7 years, 9 months ago. The functions in between can forget all about it. Copyright by Refsnes Data. The throw statement throws a user-defined exception.