Javascript – String Interpolation
OVERVIEW An alternative to using string concatenation is to use string interpolation. String interpolation allows us to put variables in the string value which are [...]
View ArticleJavascript – Spread Operator
OVERVIEW The Spread operator is a little-known operator which allows you to join arrays together. This might sound similar to the join() function but the [...]
View ArticleBinary Search of an Integer array
The code below searches for a target integer and returns the index of the array if it is found else it returns a -1. The [...]
View ArticleJavascript Arrow function
OVERVIEW The arrow function acts somewhat like the lamdba expression in Java. It allows you to define functions in a shorthand syntax. The sample code [...]
View ArticleJavascript – Destructuring
OVERVIEW Destructuring is a feature which allows us to unpack values from arrays or properties from objects without having to write statements for them. In [...]
View ArticleDoing a Merge Sort
The code below uses Merge Sort to sort an array of integers The output is shown below 6,78,19,54,32,-9,-10,87,12,31, divide() - 0,9 mid=4 divide() - 0,4 [...]
View ArticleJavascript – Promises
OVERVIEW Promises are a way of handling asynchronous events in javascript. Prior to promises, the only true asynchronous feature was in XMLHttpRequest where ajax calls [...]
View ArticleRotate an Array
OVERVIEW We see how to rotate elements in an array both right and left a certain number of times. We use the mod operator to [...]
View ArticleLongest Substring Without Repeating
OVERVIEW The objective is to write a function which can identify the longest substring in a string which does not have repeating characters. Examples given [...]
View ArticleFind All Permutations of a String
OVERVIEW The code given below prints all the possible permutations of a string. It does not check for duplicate occurrences of a character. SAMPLE CODE [...]
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