Below are the given input Below is the array that needs to be filtered Output (Index of Lamb chops) Answer This function should return -1 when no matching values found.
Tag: javascript
Accessing a common property in a factory function
Say I want to have a counter in a factory function that counts the number of objects that were made, I can do it as such: What this shows, is that the counter property is being saved and edited on the foo function object. But foo.counter is undefined. So my question is: Where is the property being saved and h…
How to toggle colors in list in Vue?
I have a tree-view component: my not working script: I just want to toggle the item’s color, which I choosed, that is when I click an item(im my code this item has @click event) I want to this item change its color to another, but its huge problem to me to turn back previous item to initial color. Ive s…
assign object keys dynamically using jquery or vanilla js [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 16 days ago. Improve this question I hav…
RegEx how I can find these 3 groups?
I have a string with three different texts inside the exact line, separated by a _ I want a regex to extract the first part of the data, a regex for the second, and one for the last part. The string is like xxxxxx_yyyyyyy_zzzzzz (where x, y, and z it’s random data). I have tried this: But I can only
How to deep clone object properties specified in array TS/JS
How to make a deep copy of an object properties specified in array. For instance i have an object {a: 1, b: 2, c: 3} And an array [“a”, “b”]. I want to deeply clone only the specified properties in object, so i need to get something like this {a: 1, b: 2}. Is there an easy way to do
Using callback function instead of state when changing state’s value in react
Why we need to use callback function instead of state value in react when setting state to the new value? Answer The callback function should be used if you are relying on previous state, for example: setState(prevState => prevState + 5) You have to do it this way because React may batch multiple setState(…
JavaScript array Sort out! Indices problem
Given an array A of non-negative integers of size m. Your task is to sort the array in non-decreasing order and print out the original indices of the new sorted array. e.g.A={4,5,3,7,1} After sorting the new array becomes A={1,3,4,5,7}. The required output should be “4 2 0 1 3” Answer You need to …
filter Async data in Angular [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 8 m…
How to sort an array with special conditions
I just want to return an array containing the first and second objects based on the “point” property of an object and I have a condition below, When the condition is satisfied it will swap places. Given the following object: the result I want is Answer You could group the data with an object for t…