EN
JavaScript - remove first n characters from string
17 points
In JavaScript it is possible to remove the first n characters from the string in the following way.
xxxxxxxxxx1
// remove first n characters from string2
function removeFirstChars(text, n) {3
return text.slice(n);4
}5
6
console.log( removeFirstChars('12345', 0) ); // 123457
console.log( removeFirstChars('12345', 1) ); // 23458
console.log( removeFirstChars('12345', 2) ); // 3459
console.log( removeFirstChars('12345', 3) ); // 3410
console.log( removeFirstChars('12345', 4) ); // 511
12
// below results are empty, that's why we compare them to ''13
console.log( removeFirstChars('12345', 5) === '' ); // trueNote:
We can achieve the same results using:
- String
substring()method- String
replace()method
