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TypeScript - remove first n characters from string
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points
In TypeScript it is possible to remove the first n characters from the string in the following way.
1. Using slice() method
const removeFirstChars = (text: string, n: number) => {
return text.slice(n);
};
console.log(removeFirstChars('12345', 0)); // 12345
console.log(removeFirstChars('12345', 1)); // 2345
console.log(removeFirstChars('12345', 2)); // 345
console.log(removeFirstChars('12345', 3)); // 34
console.log(removeFirstChars('12345', 4)); // 5
// below results are empty, that's why we compare them to ''
console.log(removeFirstChars('12345', 5) === ''); // true
Note:
We can achieve the same results using:
- String
substring()method- String
replace()method