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Ivan Koshelev blog on software development

Articles for tags 'Proxy' Debugging JavaScript 01 Advanced forensic techniques [2017 July 29] JavaScript, Debug, Forensics, Proxy

JavaScript is among the most open-source friendly languages. Thus, when faced with a question “why doesn’t it call this function?” or “What changes this property?”, most of the time we have the code of 3rd-party libraries ready and available for us to dive into for debug. Still, sometimes you only have the minified version of a library, or a normal version so big and complicated - you give up after pressing “step into method” over 30 times. You need to track the exact place where one of your objects properties is used.

Solution? Use Chrome and the most awesome feature of ES6 – Proxies! Your users are locked into IE 8 and no ES6? What’s wrong with your organization? Ok, but you as a developer, surely can use Chrome, just for this debug session? Proxies are supported by all modern browser releases for at least a year , and current versions of Node.

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I'm passionate for anything that can be programed and automated to make life better for all of us.

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