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JavaScript Triple Equals Operator vs Double Equals Operator ( === vs == ) You may also like to see: Design Patterns : Singleton Pattern Best Resources to learn JavaScript JavaScript Best Practices : Loop Optimization Comparing two values in any language is the most used operations. In many cases you may need to compare different variables values, that is the reason in many JavaScript code you will
You can find (just about) anything on Medium — apparently even a page that doesn’t exist. Maybe these stories will take you somewhere new?
Simple remote monitoring and debugging middleware for socket.io. monitor.io is a module for Node.js that runs as a telnet server, giving a remote client control of and information about sockets connected to an instance of socket.io. This makes it possible to disconnect, emit, or broadcast data to sockets in a remote terminal without interrupting the Node.js process running socket.io. monitor.io al
Integers lead an odd life in JavaScript. In the ECMAScript specification, they only exist conceptually: All numbers are always floating point and integers are ranges of numbers without decimal fractions (for details, consult “Integers in JavaScript” in “Speaking JavaScript”). In this blog post, I explain how to check whether a value is an integer. ECMAScript 5 # There are many ways in which you c
Polyfills are a fantastic way to enable the use of modern code even while supporting legacy browsers, but currently using polyfills is too hard, so at the FT we’ve built a new service to make it easier. We’d like to invite you to use it, and help us improve it. More pictures, they said. So here’s a unicorn, which is basically a horse with a polyfill. The challenge Here are some of the issues we ar
Public constructors are problematic for a number of reasons, but chief among them for me is that they couple the calling code to the constructor implementation. In other words, it forces you to break the open/closed principle. Later on, if you need to make your object instantiation polymorphic, you’ll end up invalidating all of the code that used newdirectly. You might want to create a function th
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