Return reverse string


Posted by Christy on 2022-04-21

Description: Write a function named reverse that accepts a string and return the reversed string

Note: Don’t use the built-in function reverse()

function reverse(str) {
  let result = "";
  for (let i = str.length - 1; i >= 0; i--) {
    result += str[i];
  }
  return result;
}

console.log(reverse("abcd")); // dcba
console.log(reverse("12345aa")); // aa54321









Related Posts

【Day06】threading用多執行緒更快完成影片下載

【Day06】threading用多執行緒更快完成影片下載

你是不是也被這個網路現象愚弄了?揭露發錯答案背後的科學真相!

你是不是也被這個網路現象愚弄了?揭露發錯答案背後的科學真相!

初試啼聲,只用原生 JS 跟 CSS 寫「口罩地圖 」Ep.00

初試啼聲,只用原生 JS 跟 CSS 寫「口罩地圖 」Ep.00


Comments