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Nalezeno "method": 219

Level up your .sort game


Sorting is a super handy JavaScript method that can display the values of an array in a certain order. Whether that’s real estate listings by price, burger joints by distance, or best nearby happy hours by rating, sorting arrays of information is a common need. If you’re already doing this with...

Bitcoin History Part 13: The First Mining Pool


The notion that anyone could solo mine bitcoin – on a CPU no less – seems positively quaint today. But in 2010, this method wasn’t just possible – it was the norm. With an exponentially lower hashrate, less competition and a 50 bitcoin block reward, there was enough pie...

The Circle of a React Lifecycle


A React component goes through different phases as it lives in an application, though it might not be evident that anything is happening behind the scenes. Those phases are: mounting updating unmounting error handling There are methods in each of these phases that make it possible to perform...

JavaScript Glossary: String lastIndexOf()


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()


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()


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 toLowerCase()


Basics The toLowerCase() String method converts a string object to lower case. The return value of the method is the value of the calling string in lower case

JavaScript Glossary: String trim()


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()


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()


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

JavaScript Glossary: String concat()


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


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

Where Do You Nest Your Sass Breakpoints?


I love nesting my @media query breakpoints. It's perhaps the most important feature of Sass to me. Maybe I pick a method and do it like this: .element { display: grid; grid-template-columns: 100px 1fr; @include breakpoint(baby-bear) { display: block; } } That's straightforward enough....

JavaScript Glossary: Array .splice() Method


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


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 .reverse() Method


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

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