Flatten or Merge nested array in JavaScript
There may be a requirement to merge or flatten the array of array for better representation or readability. There are various ways to achieve this in javascript. We will try…
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11th October 2021
Get last value of array in JavaScript
Sometime we need to get last element of array. Even when we do not know size of array. There are several way to achieve it. Lets explore few ways. 1.…
4th October 2021
Create n length random number in JavaScript
We can generate fixed length random number using Math.random() function. Math.random can generate number between 0 to 1. We can use this to generate any length random number. function randomNumber(length)…
13th September 2021
Move folder files via ssh using NodeJS | sftp using NodeJS
Using NodeJS we can create ssh connection to send file or executing any command on Linux based server. Here we are using npm module ssh2 for sftp connection to transfer…
6th September 2021
Check object is empty or not in JavaScript
In our code object can empty or not. So we need to check object is empty or not. There are several way to check object in valid or not. Let…
10th July 2021
How to get an index in for-of-loop | index in for-of-loop
The for…of statement creates a loop iterating over iterable objects, including: built-in String, Array, array-like objects (e.g., arguments or NodeList), TypedArray, Map, Set, and user-defined iterables. for (variable of iterable)…
3rd July 2021
Create enums in JavaScript | Use enums in JavaScript
In computer programming, an enumerated type (also called enumeration, enum, or factor in the R programming language, and a categorical variable in statistics) is a data type consisting of a…
26th June 2021
How to convert dataurl to file using node js. | Parse data url in node
Many time we need to covert dataurl back to original file. Like dataurl of text file or zip file back to text file and zip file. IN nodejs we can…
12th June 2021
