Use console.log() Statements
For example, if you’re working on a function that’s not working as expected, you can use console.log() statements to output the values of variables and other data at various points in the function. This can help you identify where the problem is occurring and what might be causing it.
Use Breakpoints in the Browser
Another useful debugging technique is to use breakpoints in your browser’s developer tools. Breakpoints allow you to pause your code at a specific point, so you can examine the values of variables and other data in real-time.
To set a breakpoint in your code, simply click on the line number where you want the breakpoint to occur in the browser’s developer tools. When the code reaches that line, it will pause execution, allowing you to examine the values of variables and other data at that point.
Check the Syntax
Most modern code editors have built-in syntax highlighting and error-checking features that can help you catch syntax errors before they become a problem. Additionally, you can use online syntax checkers and linters to check your code for syntax errors.
Use Debugging Tools and Libraries
jQuery Debugger: This is a debugging tool specifically designed for jQuery. It offers a range of features for debugging jQuery code, including event logging, selector highlighting, and variable tracking.
Break the Problem Down into Smaller Pieces
For example, if you’re working on a form validation script that’s not working correctly, you can test each step of the validation process individually to identify where the problem is occurring. This can help you identify the root cause of the problem more quickly and easily.
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Originally posted 2023-05-03 17:34:13.