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Questions - lodash

Remove first occurence of an element using JavaScript or Lodash

I have an array like this - ["a", "a", "b", "c", "d", "e"] I want to operate on this and filter it to remove only the first occurence of ev...
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vaibhav deep

javascript

arrays

lodash

Votes: 0

Answers: 3

Latest Answer

By wanting the first one of duplicate following items, you could use Array#lastIndexOf along with a check of the actual index. const data = ["a", "a", "b", "c", "d", "e"], result = data.fi...
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Nina Scholz

Order or sort multiple arrays by indexs of matched strings in another array using lodash or JS

I am trying to have my arrays sorted by the indexes of strings in another array. I am getting back the following: const matchtoThisArray: ['11006', '10240', '10142', '10309', '10367', '10724', '10741'...
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user992731

javascript

arrays

sorting

lodash

Votes: 0

Answers: 1

Latest Answer

There you go :) let inputArray = getInput() let positionOfArray = ['10052', '10051', '10053'] console.log(mapArrayByPositionArray(inputArray, positionOfArray)) function mapArrayByPositionArray (...
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UtkarshPramodGupta

Angular iterate an array with two conditions

I have this array and these values: levels$: Observable<any[]> = [ { name: 'first level primary school' }, { name: 'second level primary school' }, {...
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SirrMaxi

javascript

arrays

angular

rxjs

lodash

Votes: 0

Answers: 2

Latest Answer

this.levels$.subscribe(levels =>{ this.isPrimarySchool =levels.some(level => level.name.toLowerCase().includes('primary')); this.isSecondarySchool = levels.some(level => level.name.toLowerCas...
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Talha Akca

Javascript iterate an array with two conditions

I have this array and these values: const levels = [ { name: 'first level primary school' }, { name: 'second level primary school' }, { name: 'first ...
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SirrMaxi

javascript

arrays

lodash

Votes: 0

Answers: 3

Latest Answer

You could take a function for using with Array#some and hand over the expected value. const has = string => o => o.name.includes(string), levels = [{ name: 'first level primary schoo...
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Nina Scholz

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