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Tips list

• 74 - Check the reason make your page re-render by changed props and state

• 73 - Hash maps without side effects

• 72 - Adventurers Guide to React (Part I)

• 71 - VueJS, How VueJS makes a copy-update-replace inside the data binding

• 70 - Picking and rejecting object properties

• 69 - Enhancing React components, Composition

• 68 - Why you should use Object.is() in equality comparison

• 67 - Recursion, iteration and tail calls in JS

• 66 - State to Props maps with memory

• 65 - Tapping for quick debugging

• 64 - 3 Array Hacks

• 63 - Working With Websocket Timeout

• 62 - Preventing Unwanted Scopes Creation in AngularJs

• 61 - Binding objects to functions

• 60 - Three useful hacks

• 59 - ES6, var vs let

• 58 - Breaking or continuing loop in functional programming

• 57 - Comma operator in JS

• 56 - Copy to Clipboard

• 55 - Create an easy loop using an array

• 54 - How to use optional arguments in functions (with optional callback)

• 53 - Get File Extension

• 52 - Return Values with the 'new' Operator

• 51 - DOM event listening made easy

• 50 - Helpful Console Logging Tricks

• 49 - Easiest way to extract Unix timestamps

• 48 - Reduce builtin function usage

• 47 - Basics: Declarations

• 46 - Detect document ready in pure JS

• 45 - Calculate the Max/Min value from an array

• 44 - Know the passing mechanism

• 43 - Use destructuring in function parameters

• 42 - Preventing Unapply Attacks

• 41 - Array average and median

• 40 - Using JSON.stringify

• 39 - Advanced Properties

• 38 - Flattening multidimensional Arrays

• 37 - Deduplicate an Array

• 36 - Observe DOM changes in extensions

• 35 - Assignment Operators

• 34 - Implementing asynchronous loop

• 33 - Create Range 0...N easily using one line

• 32 - Map() to the rescue: adding order to Object properties

• 31 - Avoid modifying or passing arguments into other functions — it kills optimization

• 30 - Converting truthy/falsy values to boolean

• 29 - Speed up recursive functions with memoization

• 28 - Currying vs partial application

• 27 - Short circuit evaluation

• 26 - Filtering and sorting a list of Strings

• 25 - Using immediately invoked function expression

• 24 - Use === instead of ==

• 23 - Converting to number fast way

• 22 - Empty an Array

• 21 - Shuffle an Array

• 20 - Return objects to enable chaining of functions

• 19 - Safe String concatenation

• 18 - Truncating the fast (but risky) way

• 17 - Node.js: Run a module if it is not "required"

• 16 - Passing arguments to callback functions

• 15 - Even simpler way of using indexOf as a contains clause

• 14 - Fat Arrow Functions #ES6

• 13 - Measure performance of a code block

• 12 - Pseudomandatory parameters in ES6 functions #ES6

• 11 - Hoisting

• 10 - Check if a property is in an Object

• 09 - Template Strings

• 08 - Converting a Node List to an Array

• 07 - "use strict" and get lazy

• 06 - Writing a single method for arrays and a single element

• 05 - Differences between undefined and null

• 04 - Sorting Strings with accented characters

• 03 - Improve Nested Conditionals

• 02 - ReactJS - Keys in children components are important

• 01 - AngularJS: $digest vs $apply

• 00 - Insert item inside an Array