js-practice/src/string/length-of-last-word.js

11 lines
238 B
JavaScript

/**
* @param {string} s
* @return {number}
*/
export const lengthOfLastWord = function (s) {
s = s.trim()
const tmp = s.lastIndexOf(' ')
const lastWord = s.substring(tmp === -1 ? 0 : tmp + 1, s.length)
return lastWord.length
}