Check string is date or not in JavaScript
To check a string value is a date, there are many ways to do that. But problem occur when string is a number, since a number can be converted into…
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9th January 2023
Find min or max in array of object in javascript
Let say we have an array of object which and object contain age and name. Now we want to find out youngest person and elder person. For these we have…
12th September 2022
Convert uploaded csv into Json object in node js | CSV to JSON in JavaScript
There are many libraries which we can used to perform this task. But some time we do not want to use library in that case we have to use pure…
29th August 2022
convert dataurl to file in nodeJs
Data URLs are composed of four parts: a prefix (data:), a MIME type indicating the type of data, an optional base64 token if non-textual, and the data itself: data:[<mediatype>][;base64],<data> Now we have this dataurl…
15th August 2022
Remove a property from a JavaScript object?
If we want to remove any key from a given object then we have the following method. 1. Using delete const obj = { a: 1, b: 2, c: 3,…
8th August 2022
Deep cloning of Object in JavaScript | Object Deep Copy
Many times we need to do Deep copying objects in JavaScript. Since shallow copy may cause many issues as it may affect original object. Here are few ways to achieve…
1st August 2022
Remove specific item from array in JavaScript
We can remove element from array with different ways. But if we want to remove specific element from array then we have to think different approach. 1. Using indexOf and…
25th July 2022
Output based JavaScript interview questions
These are few Javascript Ouput based interview question, which I faced during my interview process. Question 1. console.log('val1--val:',val1); val1 = 10; test(); var val2 = 20; const test = ()…
18th July 2022
