Support the community

• Let’s keep in touch

  • Official Blog
  • Official Twitter Account
  • iOS App
  • Check the reason make your page re-render by changed props and state
  • Hash maps without side effects
  • Adventurers Guide to React (Part I)
  • VueJS, How VueJS makes a copy-update-replace inside the data binding
  • Picking and rejecting object properties
  • Enhancing React components, Composition
  • Why you should use Object.is() in equality comparison - in-equality-comparison/)
  • Recursion, iteration and tail calls in JS
  • State to Props maps with memory
  • Tapping for quick debugging
  • 3 Array Hacks
  • Working With Websocket Timeout
  • Preventing Unwanted Scopes Creation in AngularJs
  • Binding objects to functions
  • Three useful hacks
  • ES6, var vs let
  • Breaking or continuing loop in functional programming
  • Comma operator in JS
  • Copy to Clipboard
  • Create an easy loop using an array
  • How to use optional arguments in functions (with optional callback)
  • Get File Extension
  • Return Values with the 'new' Operator
  • DOM event listening made easy
  • Helpful Console Logging Tricks
  • Easiest way to extract Unix timestamps
  • Reduce builtin function usage
  • Basics: Declarations
  • Detect document ready in pure JS
  • Calculate the Max/Min value from an array
  • Know the passing mechanism
  • Use destructuring in function parameters
  • Preventing Unapply Attacks
  • Array average and median
  • Using JSON.stringify
  • Advanced Properties
  • Flattening multidimensional Arrays
  • Deduplicate an Array
  • Observe DOM changes in extensions
  • Assignment Operators
  • Implementing asynchronous loop
  • Create Range 0...N easily using one line
  • `Map()` to the rescue: adding order to Object properties
  • Avoid modifying or passing `arguments` into other functions — it kills optimization
  • Converting truthy/falsy values to boolean
  • Speed up recursive functions with memoization
  • Currying vs partial application
  • Short circuit evaluation
  • Filtering and sorting a list of Strings
  • Using immediately invoked function expression
  • Use `===` instead of `==`
  • Converting to number fast way
  • Empty an Array
  • Shuffle an Array
  • Return objects to enable chaining of functions
  • Safe String concatenation
  • Truncating the fast (but risky) way
  • Node.js: Run a module if it is not "required"
  • Passing arguments to callback functions
  • Even simpler way of using `indexOf` as a contains clause
  • Fat Arrow Functions #ES6
  • Measure performance of a code block
  • Pseudomandatory parameters in ES6 functions #ES6
  • Hoisting
  • Check if a property is in an Object
  • Template Strings
  • Converting a Node List to an Array
  • "use strict" and get lazy
  • Writing a single method for arrays and a single element
  • Differences between `undefined` and `null`
  • Sorting Strings with accented characters
  • Improve Nested Conditionals
  • ReactJS - Keys in children components are important
  • AngularJS: `$digest` vs `$apply`
  • Insert item inside an Array
  • Official Blog
  • iOS App
  • Check the reason make your page re-render by changed props and state
  • Hash maps without side effects
  • Adventurers Guide to React (Part I)
  • VueJS, How VueJS makes a copy-update-replace inside the data binding
  • Picking and rejecting object properties
  • Enhancing React components, Composition
  • Recursion, iteration and tail calls in JS
  • State to Props maps with memory
  • Tapping for quick debugging
  • 3 Array Hacks
  • Working With Websocket Timeout
  • Preventing Unwanted Scopes Creation in AngularJs
  • Binding objects to functions
  • Three useful hacks
  • ES6, var vs let
  • Breaking or continuing loop in functional programming
  • Comma operator in JS
  • Copy to Clipboard
  • Create an easy loop using an array
  • How to use optional arguments in functions (with optional callback)
  • Get File Extension
  • Return Values with the 'new' Operator
  • DOM event listening made easy
  • Helpful Console Logging Tricks
  • Easiest way to extract Unix timestamps
  • Reduce builtin function usage
  • Basics: Declarations
  • Detect document ready in pure JS
  • Calculate the Max/Min value from an array
  • Know the passing mechanism
  • Use destructuring in function parameters
  • Preventing Unapply Attacks
  • Array average and median
  • Using JSON.stringify
  • Advanced Properties
  • Flattening multidimensional Arrays
  • Deduplicate an Array
  • Observe DOM changes in extensions
  • Assignment Operators
  • Implementing asynchronous loop
  • Create Range 0...N easily using one line
  • `Map()` to the rescue: adding order to Object properties
  • Avoid modifying or passing `arguments` into other functions — it kills optimization
  • Converting truthy/falsy values to boolean
  • Speed up recursive functions with memoization
  • Currying vs partial application
  • Short circuit evaluation
  • Filtering and sorting a list of Strings
  • Using immediately invoked function expression
  • Use `===` instead of `==`
  • Converting to number fast way
  • Empty an Array
  • Shuffle an Array
  • Return objects to enable chaining of functions
  • Safe String concatenation
  • Truncating the fast (but risky) way
  • Node.js: Run a module if it is not "required"
  • Passing arguments to callback functions
  • Even simpler way of using `indexOf` as a contains clause
  • Fat Arrow Functions #ES6
  • Measure performance of a code block
  • Pseudomandatory parameters in ES6 functions #ES6
  • Hoisting
  • Check if a property is in an Object
  • Template Strings
  • Converting a Node List to an Array
  • "use strict" and get lazy
  • Writing a single method for arrays and a single element
  • Differences between `undefined` and `null`
  • Sorting Strings with accented characters
  • Improve Nested Conditionals
  • ReactJS - Keys in children components are important
  • AngularJS: `$digest` vs `$apply`
  • Insert item inside an Array
  • Hubot
  • Slackbot