var fruits = ["Banana", "Orange", "Apple", "Mango"];
var index = fruits.indexOf("Apple");
let fruits = ["Banana", "Orange", "Apple", "Mango"];
let index = fruits.???
如果没有类似功能,也许你能给我指出正确的方向?我找到了这个example,但它是矢量的,不是数组的.
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var index = fruits.indexOf("Apple");
let fruits = ["Banana", "Orange", "Apple", "Mango"];
let index = fruits.???
如果没有类似功能,也许你能给我指出正确的方向?我找到了这个example,但它是矢量的,不是数组的.