10 JavaScript Hacks Every Web Developer Should Know

10 JavaScript Hacks Every Web Developer Should Know

10 JavaScript Hacks Every Web Developer Should Know: How to Use Shortcuts for Conditionals; How to Convert to an Integral Using the ~~ Operator; Resize or Empty an Array Using array.length; How to Merge Arrays Without Causing Server Overload; How to Use Filters with Arrays; How to Extract Unique Values; How to Use the Replace Function Shortcut; How to Cache Variables; How to Check if an Object Has Values; How to Minify your JavaScript Files

If you optimize your JavaScript code with these hacks, it can help you write cleaner code, save resources, and optimize your programming time.

According to RedMonk, JavaScript is the most popular programming language. Furthermore, SlashData estimates that around 12.4 million developers use JavaScript, which also includes CoffeeScript and Microsoft’s TypeScript.

This means that millions of people use JavaScript to work as programmers, take freelance gigs through sites like UpWork and Freelancer, or even start their own web developing businesses.

freeCodeCamp has an excellent basics course on JavaScript. But, if you’re already familiar with the fundamentals and want to advance your proficiency in JavaScript, then here are ten hacks you should learn and integrate into your workflow.

  • How to Use Shortcuts for Conditionals
  • How to Convert to an Integral Using the ~~ Operator
  • Resize or Empty an Array Using array.length
  • How to Merge Arrays Without Causing Server Overload
  • How to Use Filters with Arrays
  • How to Extract Unique Values
  • How to Use the Replace Function Shortcut
  • How to Cache Variables
  • How to Check if an Object Has Values
  • How to Minify your JavaScript Files



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