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Deleting the duplicate strings based on the ending characters - JavaScript
We are required to write a JavaScript function that takes in an array of strings and deletes each one of the two strings that ends with the same character −
For example, If the actual array is −
const arr = ['Radar', 'Cat' , 'Dog', 'Car', 'Hat'];
Then we have to delete one and keep only one string ending with the same character in the array of distinct letters.
Example
Following is the code −
const arr = ['Radar', 'Cat' , 'Dog', 'Car', 'Hat'];
const delelteSameLetterWord = arr => {
const map = new Map();
for(let i = 0; i < arr.length; ){
const el = arr[i];
const last = el[el.length - 1];
if(map.has(last)){
arr.splice(i, 1);
}else{
i++;
map.set(last, true);
};
}
};
delelteSameLetterWord(arr);
console.log(arr);Output
This will produce the following output in console −
[ 'Radar', 'Cat', 'Dog' ]
Updated on: 30-Sep-2020
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