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Ethereum (ETH) Price Analysis: Ethereum’s Decentralization Contention Returns; Bullish Medium-Term Outlook
20.5.2019
Allegations of centralization have been made against Ethereum. The 2019 prediction target continues with no change at $1000. In today’s world of cryptocurrency, decentralization is the biggest factor which has the potential to make it or break it. The whole idea of cryptocurrency is based on this....
Blockchain Live Returns to London Olympia, 25th September 2019
11.5.2019
London, UK – Taking blockchain mainstream, Blockchain Live is back and will be returning to London Olympia on 25 th September as a festival of blockchain education. A one-day event, packed with engaging, thought-provoking and quality content, this year Blockchain Live will be moving away from...
Get a CSS Custom Property Value with JavaScript
11.4.2019
Here’s a neat trick from Andy Bell where he uses CSS Custom Properties to check if a particular CSS feature is supported by using JavaScript.
Basically, he's using the ability CSS has to check for browser support on a particular property, setting a custom property that returns a value of either...
JavaScript Glossary: String lastIndexOf()
27.3.2019
Basics
The lastIndexOf() method returns the last position within a String object which an element can be found. The search starts from the last position of the String object.
JavaScript Glossary: String match()
27.3.2019
Basics
This method is a called against a regular expression and returns the matching values in the string. The return value is an array containing the matched values. If no matches are fo
JavaScript Glossary: String startsWith()
27.3.2019
Basics
The startsWith method takes a string parameter and checks if the calling string starts with the value provided. It returns a Boolean value, true
JavaScript Glossary: String length
26.3.2019
Basics
The length property of the String object returns the number of code points in a string object. It indicates the length of the string
An Illustrated (and Musical) Guide to Map, Reduce, and Filter Array Methods
26.3.2019
Map, reduce, and filter are three very useful array methods in JavaScript that give developers a ton of power in a short amount of space. Let’s jump right into how you can leverage (and remember how to use!) these super handy methods.
Array.map()
Array.map() updates each individual value in...
JavaScript Glossary: String trim()
25.3.2019
Basics
This method removes whitespaces from the start and end of the calling string. It removes spaces, tabs, no break spaces etc. It returns a new string stripped of whitespaces from both
JavaScript Glossary: String indexOf()
25.3.2019
Basics
This method checks for the first appearance of a provided string argument within the calling string and returns the index. It returns -1 if the string argument can’t be
JavaScript Glossary: String includes()
19.3.2019
Basics
The includes method checks a provided string against the calling String object, it returns true if the calling String object contains the provided string a
Crypto Tax Season: What you need to know
20.2.2019
The basics to keep in mind when filing your tax returns involving cryptocurrencies this year. From the CMC Editorial Desk: It’s… taaaax season. Before you panic, what do you need to know as you’re filing returns on your crypto? Find […]
The post Crypto Tax Season: What...
JavaScript Glossary: String concat()
17.2.2019
Basics
This method is used to join the calling string and the provided string arguments. It returns a new String object containing the calling string and the provided arguments . If no arg
JavaScript Glossary: Array unshift() Method
17.2.2019
Basics
The unshift array method appends a number of values to the start of a given array. It then returns the new length of the array. This method can take a number of argumen
Avoiding those dang cannot read property of undefined errors
13.2.2019
Uncaught TypeError: Cannot read property 'foo' of undefined. The dreaded error we all hit at some point in JavaScript development. Could be an empty state from an API that returns differently than you expected. Could be something else. We don’t know because the error itself is so general...
JavaScript Glossary: Array .splice() Method
8.2.2019
Basics
The splice array method changes an existing array by removing, adding and/or replacing specified elements from it. The method mutates the array and returns an array of
JavaScript Glossary: Array .slice() Method
8.2.2019
Basics
The slice array method copies a given part of an array returning the selected part as an array. It doesn’t mutate the given array rather, it returns a new array
JavaScript Glossary: Array .shift() Method
8.2.2019
Basics
This method takes out the first element from an array and returns it. The shift method mutates the array during this process, reducing its length
JavaScript Glossary: Array .reverse() Method
8.2.2019
Basics
This method changes the position of elements within the array. The first element goes to the last position and the last element goes to the first position. The method returns the re
JavaScript Glossary: Array .pop() Method
8.2.2019
Basics
This method takes out the last element from an array and returns it. The pop method mutates the array during this process reducing its length