Convert xlxs/xlx to JSON in node js
In many scenario we want to convert our xls sheet to json to process the data. Here we are going to do this with the help on one node module…
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20th June 2022
Add createdAt and updatedAt in mongoose schema using timstamps | Mongoose Timestamp
Mongoose schemas support a timestamps option. If you set timestamps: true, Mongoose will add two properties of type Date to your schema: createdAt: a date representing when this document was createdupdatedAt: a date representing when…
13th June 2022
Async/Await Function with loop in javascript | Async/Await with loop
We need to perform some operation on array elements within async and await function. But using forEach loop is a bad choice. We achieve same with the following approach. 1.…
18th April 2022
Difference Between == and === in JavaScript with example
The == operator will compare for equality after doing any necessary type conversions. The === operator will not do the conversion, so if two values are not the same type === will simply return false. Both are equally quick. For…
4th April 2022
Unhandled promise rejection warning node js
This means that a promise you called rejected, but there was no catch used to handle the error. Add a catch after the offending then to handle this properly. The origin of this error lies in…
28th March 2022
Different ways to remove duplicates from array javascript
In this post, we will learn various methods to remove duplicates from an array using JavaScript methods. 1. Using Set: As we know that a Set is a collection of…
21st March 2022
Binary to Decimal and Decimal to Binary in JavaScript
Decimal to Binary: /* Convert 13 to binary: Division by 2 Quotient Remainder Bit # ---------------------------------------- 13/2 6 1 0 6/2 3 0 1 3/2 1 1 2 1/2 0…
14th March 2022
Debouncing and Throttling in JavaScript and implementation
Debouncing and throttling are techniques in JavaScript to optimize the application and browser performance. These are programming concept not provided by JavaScript directly. Debouncing & Throttling Debouncing: Debouncing is the…
7th March 2022
