CODEWITHSUNDEEP
javascript
user19725419
user19725419

Reputation:

How to change values in array based on the same array values using javascript?

i want to modify array based on its values using javascript.

what i am trying to do?

these are possible values in the array

['cd', 'md', 'Sl']

but the array could be empty or might not contain all above 3 values.

some examples could be

['cd', 'md']
[]
['cd']
['Sl']

..... so on

now when the array has 'cd' it should be replaced with 'cad'. similarly if it has 'md' it should be replaced by 'modular detection' and 'Sl' with 'Some logic'

so the expected output for array

['cd', 'md', 'Sl'] is 

['cad', 'modular detection', 'Some logic']

could someone help me do this. i am new to programming. thanks.

Upvotes: 0

Views: 47

Answers (2)

Deepu Reghunath
Deepu Reghunath

Reputation: 9713

By using replace method

const input = ['cd', 'md', 'sl', 'md', 'cd', 'sl'];

var mapObj = {
  'cd': 'cad',
  'md': 'modular detection',
  'sl': 'Some logic'
};
const output = input.toString().replace(/cd|md|sl/gi, (x) => mapObj[x]).split(",");

console.log(output);

Upvotes: 1

Brother58697
Brother58697

Reputation: 3178

We can map our key:string values in a dictionary, then map our array to that dictionary.

const dict = {
  'cd': 'cad',
  'md': 'modular detection',
  'sl': 'Some logic'
}

const input = ['cd', 'md', 'sl', 'md', 'cd', 'sl']

const output = input.map(key => dict[key])
console.log(output)

Upvotes: 4

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