javascript try catch alert message





In this example we have written alert as adddlert to deliberately produce an errortry Block of code to try catch(err) Block of code to handle errors . JavaScript Throws Errors. When an error occurs, JavaScript will normally stop and generate an error message. Note that trycatch is written in lowercase letters. Using uppercase letters will generate a JavaScript error!However, theres a typo in the message() function. alert() is misspelled as adddlert(). A JavaScript error occurs. Using JavaScripts Try-Catch Statement. By Louis Lazaris on April 6th, 2010 | 9 Comments.If you run the code above, the browser will alert the message doSomething is not defined. Listing 1: Representing theJavaScipt syntax error.