我正在尝试创建一个只需要一个字母并在数组中找到它的位置(本质上是字母表)的表单。
我写了一些简单的代码:
var alphabet = ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"];
var letter = "h";
var letterPosition = alphabet.indexOf(letter);
document.write(letterPosition);
演示基本功能。但是,我不确定如何将其放入 afunction get
并使其var letter
等于表单输入中的值。
我希望它返回数组中的位置,以便我可以编写一个循环(在 if/else 内),它将打印数组中输入值之后的所有值。