Debugging is not easy. But fortunately, all modern browsers support a built-in JavaScript debugger. You can open your JavaScript code in the browser's console. Built-in debuggers can be turned on and off. With a debugger, you can set breakpoints in the JavaScript code. At each break-point, JavaScript will stop executing, and let you examine variables and values. Once the code is paused, you can examine values and find out what’s wrong with the code, and then can resume the execution of the code.
A common method is to insert a lot of console.log() statements into the code to debug the code and display the JavaScript values in the debugger window, in order to inspect values as the script executes.Another way is the use of debugger keywords in your code which stops the execution of JavaScript and calls the debugging function. In complex scripts qa testing services can figure out the failures and help in fixing errors with best practices at each stage of the Software Development Life Cycle.
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Debugging is not easy. But fortunately, all modern browsers support a built-in JavaScript debugger.
You can open your JavaScript code in the browser's console. Built-in debuggers can be turned on and off. With a debugger, you can set breakpoints in the JavaScript code. At each break-point, JavaScript will stop executing, and let you examine variables and values. Once the code is paused, you can examine values and find out what’s wrong with the code, and then can resume the execution of the code.
A common method is to insert a lot of console.log() statements into the code to debug the code and display the JavaScript values in the debugger window, in order to inspect values as the script executes.Another way is the use of debugger keywords in your code which stops the execution of JavaScript and calls the debugging function. In complex scripts qa testing services can figure out the failures and help in fixing errors with best practices at each stage of the Software Development Life Cycle.