How to view “generated HTML code” in Firefox?

In Firebug’s HTML tab, right-click the root node and select “copy HTML”. Then paste to a text editor. Without Firefox Add-Ons, you could use a bookmarklet like this: javascript: var win = window.open(); win.document.write(‘<html><head><title>Generated HTML of ‘ + location.href + ‘</title></head><pre>’ + document.documentElement.innerHTML.replace(/&/g, ‘&amp;’).replace(/</g, ‘&lt;’) + ‘</pre></html>’); win.document.close(); void 0;

What is the difference between local storage and cache in the browser? [closed]

I have limited experience, but for what I can understand: Cache is data which is used very frequently, so it is stored to reduce processing and loading required. In a computer, the cache is what helps to hold temporary data used by the processor to compute the most basic instructions. It is a lot faster, … Read more

Browser developer tools: what is the Position of the HTML element?

In Chrome, Firefox, Edge and IE11+, when an element is selected, you can access this element in the console window by typing: $0 You can then query and manipulate using the Javascript DOM API, which has a very useful method called Element.getBoundingClientRect(). So all you have to do is type the following into the console … Read more

View AJAX response content in Chrome developer tools?

If you are on a dev channel of Google Chrome: http://www.chromium.org/getting-involved/dev-channel …you should be able to right-click in the Developer Tools console, and click “Enable XMLHttpRequest logging”. Once it is enabled, you will see the XHR requests in the console, and will be able to click on them to take you to the resources panel, … Read more

Why {} + {} is NaN only on the client side? Why not in Node.js?

Updated note: this has been fixed in Chrome 49. Very interesting question! Let’s dig in. The root cause The root of the difference is in how Node.js evaluates these statements vs. how the Chrome development tools do. What Node.js does Node.js uses the repl module for this. From the Node.js REPL source code: self.eval( ‘(‘ … Read more

Difference between console.log() and console.debug()?

Technically console.log console.debug and console.info are identical However the way they display the data is little different. console.debug is not visible by default in the browser’s JS console. It can be enabled by using the console’s filter options. console.log Black color text with no icon console.info Blue color text with icon console.debug Pure black color … Read more

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