js的forEach，jquery的each，for

Posted 2022-01-04 dandan9999

var lis=document.querySelectorAll(".navCity li");
lis.forEach(function (ele,index) 
    console.log(ele);
    console.log(index);
);

$(".navCity li").each(function (index,ele) 
    console.log(index);
    console.log(ele);
);

var cars = ["BMW", "Volvo", "porsche", "Ford", "Fiat", "Audi"];
var text = "";
var i;
for (i = 0; i < cars.length; i++) 
    text += cars[i] + "<br>";

document.getElementById("demo").innerhtml = text;