https://www.testmuai.com/blog/category/debug/ The latest Debug articles from the TestMu AI Blog and Learning Hub. en-us Sun, 28 Dec 2025 00:00:00 +0000 TestMu AI feed builder https://www.testmuai.com/blog/reference-error-javascript/ https://www.testmuai.com/blog/reference-error-javascript/ Sun, 28 Dec 2025 00:00:00 +0000 Saif Sadiq Debug JavaScript Miscellaneous When any value is assigned to undeclared variable or assignment without the var keyword or variable is not in your current scope, it might lead to unexpected results and that’s why JavaScript presents a ReferenceError: assignment to undeclared variable 'x' in strict mode. And this error causes a problem in execution of functions. https://www.testmuai.com/blog/debugging-memory-leaks-in-javascript/ https://www.testmuai.com/blog/debugging-memory-leaks-in-javascript/ Sat, 27 Dec 2025 00:00:00 +0000 Robin Jangu Debug JavaScript Miscellaneous Learn how to perform memory leakage testing in JavaScript with expert approaches, tools, and best practices. Identify and repair leaks for more reliable JavaScript code. https://www.testmuai.com/blog/syntaxerror-json-parse-bad-parsing/ https://www.testmuai.com/blog/syntaxerror-json-parse-bad-parsing/ Mon, 22 Dec 2025 00:00:00 +0000 Deeksha Agarwal Debug Miscellaneous JSON or JavaScript Object Notation is a ubiquitous data format used by all sorts of mobile and web apps for asynchronous browser-server communication. JSON is an extremely popular data format,... https://www.testmuai.com/blog/remote-debugging-webpages-in-ios-safari/ https://www.testmuai.com/blog/remote-debugging-webpages-in-ios-safari/ Mon, 04 Dec 2023 00:00:00 +0000 Saif Sadiq Debug Remote debugging is debugging a piece of code by connecting the application running remotely with your environment of development. Generally, developers do this using a debugger which has support for remote debugging, and a small debug server running on a remote machine. https://www.testmuai.com/blog/why-global-variables-shouldnt-be-much-global/ https://www.testmuai.com/blog/why-global-variables-shouldnt-be-much-global/ Mon, 04 Dec 2023 00:00:00 +0000 Robin Jangu Debug Miscellaneous One of the biggest blunder a JS developer can do while writing a code is declaring unnecessary global variables. Global variables are extremely helpful for the programmers but if not used carefully would rob the speed and efficiency of any browser. https://www.testmuai.com/blog/script-error-in-javascript/ https://www.testmuai.com/blog/script-error-in-javascript/ Fri, 01 Dec 2023 00:00:00 +0000 Deeksha Agarwal Debug JavaScript Miscellaneous Get a comprehensive guide on dealing with script errors in JavaScript. Learn best practices to prevent, detect, and resolve errors for optimized code performance. https://www.testmuai.com/blog/forgotten-callbacks-getting-a-closure/ https://www.testmuai.com/blog/forgotten-callbacks-getting-a-closure/ Thu, 30 Nov 2023 00:00:00 +0000 Robin Jangu Debug Miscellaneous Old versions of internet explorers had bugs due to which memory leakage due to forgotten callbacks and closures resulted in crashing. The problem then was that they couldn’t differentiate between javascript and DOM nodes cyclic differences. https://www.testmuai.com/blog/syntaxerror-reserved-word/ https://www.testmuai.com/blog/syntaxerror-reserved-word/ Wed, 22 Nov 2023 00:00:00 +0000 Robin Jangu Debug Miscellaneous Strict mode is a necessity for streamlined code and easy error debugging, but syntaxerror: unexpected reserved word can occur. https://www.testmuai.com/blog/range-error-in-javascript/ https://www.testmuai.com/blog/range-error-in-javascript/ Tue, 07 Nov 2023 00:00:00 +0000 Robin Jangu Debug JavaScript Miscellaneous Sometimes while scripting we use functions that in the end go out of range, while performing tasks. These errors can be easily tackled, if while implementation you keep track of the ranges of variable types used. https://www.testmuai.com/blog/undefined-type-error-in-javascript/ https://www.testmuai.com/blog/undefined-type-error-in-javascript/ Mon, 06 Nov 2023 00:00:00 +0000 Deeksha Agarwal Debug JavaScript Miscellaneous Learn & understand what is Uncaught TypeError in JavaScript through this guide. Debugg the Uncaught TypeError and make sure your scripts are error free. https://www.testmuai.com/blog/typeerror-javascript/ https://www.testmuai.com/blog/typeerror-javascript/ Fri, 03 Nov 2023 00:00:00 +0000 Saif Sadiq Debug JavaScript Miscellaneous TypeError is thrown when an operand or argument passed to a function is incompatible with the type expected by that operator or function.Therefore, it becomes necessary to make sure variables must have same data types before performing any operation.Type mismatch generates an error while executing the whole program.