栈 - 找出字符串中第一个匹配项的下标

28.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function strStr(haystack, needle) {
    return haystack.indexOf(needle);
}
;
console.log(strStr('hello', 'll'));

28.ts

function strStr(haystack: string, needle: string): number {
    return haystack.indexOf(needle)
};

console.log(strStr('hello', 'll'))

源码地址

• JavaScript
• TypeScript