DOM遍历: /////
<button>Change colors</button>
<span></span>
<div></div>
<div></div>
<div></div>
<div></div>
<div id="stop">Stop here</div>
<div></div>
<div></div>
<div></div>
/////
$("button").click(function () {
$("div").each(function (index, domEle) {
// domEle == this
$(domEle).css("backgroundColor", "yellow");
if ($(this).is("#stop")) {
$("span").text("Stopped at div index #" + index);
return false;
}
});
});
///// <button>Change colors</button> <span></span> <div></div> <div></div> <div></div> <div></div> <div id="stop">Stop here</div> <div></div> <div></div> <div></div> ///// $("button").click(function () { $("div").each(function (index, domEle) { // domEle == this $(domEle).css("backgroundColor", "yellow"); if ($(this).is("#stop")) { $("span").text("Stopped at div index #" + index); return false; } }); });
上面是一个遍历dom的实列,利用 return false 终止遍历【break】
数组对象遍历: 数组部分
var arr = [1,2,'3']
$(arr).each((item,index) => {
console.log(item, index)
})
对象部分
var ob = {a:'aaa',b:'bbbb'}
$(ob).each((item,index) => {
console.log(item, index)
})
声明:本文来自网络,不代表【好得很程序员自学网】立场,转载请注明出处:http://www.haodehen.cn/did25080