I have Two Array with nested objects Now I want to filter out the arrOne in such a way that arrOne id is matched with arrTwo jobId Like this: But it returns [ ] empty array, although if I will rearrange arrTwo in such way like: it will return the matched value. so what’s the problem here & How to
Tag: ecmascript-6
How to split and join a text considering special characters?
My Input is this: ‘z<*zj’; I am looking a Output as : j<*zz; here in this string, special characters not changed in position. But the letters arranged reversed alphabets. I am trying to get the output, but not works. any one help me with shortest and correct way to get this? my try: Thanks i…
Dynamically Create and Set Nested Div in JavaScript
I would only want to render/create <p>Hello</p><iframe id=”syndicationPanelModalIFrame” src=”http://sample.com” width=”100%” height=”100%” style=”border: none”> on page load. I don’t want to declare them already but I want to …
Javascript `?.` operator: why is `not defined` not treated as `undefined`?
Assuming w has not been previously defined, the following JS code gives ReferenceError: w is not defined: whereas this code simply returns undefined: Why does the ?. operator not treat not defined as undefined? Answer This is mentioned in the documentation Optional chaining cannot be used on a non-declared ro…
How can I access object properties using an array of strings / keys?
Let us consider the following array and object: Naturally, I would access the data like so: The question is, how can I access the data using the array as input? Something like: Answer Probably no other way to do this
Add complex array of objects into another object
I have an source object obj that looks like this and an array input I need to push objects that are formed after spiltting input by . After splitting, using left side of the string i need to form an object like this { type: “type1”, value: whatever the left hand value} Same for right side value { …
Swapping array with alternative numbers
In an array take alternate numbers and swap them. Put it again in the place of array again e.g., arr = [8,7,4,6,9,3,2,1] newarr= [8,1,4,3,9,6,2,7] The Code which I tried is below one This is not the correct way to proceed. Answer When you consider every odd indexed element to be alternate –
react select similar function to getOptionLabel function in 1.3 version
h guys , I am making a react app with react select 1.3 version , I need to add a custom function to drop down which includes 2 keys. I noticed latest react select has a function for this getOptionLabel I want to find something similar to this function for react select version 1.3 . could anyone able to help
Filter an array nested within an object
I was able to find many sources saying how to filter nested arrays, but all of these referred to arrays within arrays. In my case, there’s an array nested within an object and I can’t figure out how to deal with it. The source array is: How to filter the nested array so that the resulting object l…
How to add tabIndex = ‘0’ in TypeScript div?
I am using Typescript with NextJS, i want to add tabIndex = ‘0’ in one of the div. but am getting this error Type ‘string’ is not assignable to type ‘number’… how to achive this? Answer Instead of tabIndex=’0’ , you should write it as tabIndex={0}. This wa…