EN
JavaScript - remove last n characters from string
12 points
In JavaScript it is possible to remove last n characters from string in following way.
xxxxxxxxxx1
// common method to remove last n characters from string2
function removeLastChars(text, n) {3
n *= -1;4
return text.slice(0, n);5
}6
7
console.log( removeLastChars('12345', 1) ); // 12348
console.log( removeLastChars('12345', 2) ); // 1239
console.log( removeLastChars('12345', 3) ); // 1210
console.log( removeLastChars('12345', 4) ); // 111
12
// below results are empty, that's why we compare them to ''13
console.log( removeLastChars('12345', 0) === '' ); // true14
console.log( removeLastChars('12345', 5) === '' ); // trueNote:
We can achieve the same results using:
- String substring() method
- String replace() method
