var colors = ["red","blue","green"];
// ES5遍历数组方法
for(var i =0;i
// console.log(colors[i]);
}
// ES6 forEach
colors.forEach(function(color){
// console.log(color);
});
// 练习: 遍历数组中的值,并计算总和
var numbers = [1,2,3,4,5];
var sum =0;
function adder(number){
sum += number;
}
numbers.forEach(adder);
console.log(sum);
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本文标题：1.forEach
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