// js 取父窗口的元素
window.parent.document.getElementById("idName");
// jquery 取父窗口的元素
$('#idName', window.parent.document);
// jquery 取父窗口的父窗口的元素
$('#idName', window.parent.parent.document);// 内容是否有修改
// true:未改变；false:改变了
isChange() {
if(this.Compare(this.dialog.detail.form, this.dialog.detail.oldForm)){
console.log('未改变');
}else{
console.log('改变');
}
return this.Compare(this.dialog.detail.form, this.dialog.detail.oldForm);
},
/**************************************比较json-start***************************************/
isObj(object) {
return object && typeof(object) == 'object' && Object.prototype.toString.call(object).toLowerCase() == "[object object]";
},
isArray(object) {
return object && typeof(object) == 'object' && object.constructor == Array;
},
getLength(object) {
var count = 0;
for(var i in object) count++;
return count;
},
CompareObj(objA, objB, flag) {
for(var key in objA) {
if(!flag) //跳出整个循环
break;
if(!objB.hasOwnProperty(key)) {
flag = false;
break;
}
if(!this.isArray(objA[key])) { //子级不是数组时,比较属性值
if(objB[key] != objA[key]) {
flag = false;
break;
}
} else {
if(!this.isArray(objB[key])) {
flag = false;
break;
}
var oA = objA[key],
oB = objB[key];
if(oA.length != oB.length) {
flag = false;
break;
}
for(var k in oA) {
if(!flag) //这里跳出循环是为了不让递归继续
break;
flag = this.CompareObj(oA[k], oB[k], flag);
}
}
}
return flag;
},
Compare(objA, objB) {
if(!this.isObj(objA) || !this.isObj(objB)) return false; //判断类型是否正确
if(this.getLength(objA) != this.getLength(objB)) return false; //判断长度是否一致
return this.CompareObj(objA, objB, true); //默认为true
},
/**************************************比较json-end***************************************/layer.prompt({
formType: 2,
title: '请填写排除原因（注：必填项）',
area: ['500px', '150px'],
btnAlign: 'c',
yes: function(index, layero){
// 获取文本框输入的值
var value = layero.find(".layui-layer-input").val();
if (value) {
alert("输入值为：" + value);
layer.close(index);
} else {
alert("输入值为空！");
}
}
});var bookAuthors = {
"Farmer Giles of Ham": "J.R.R. Tolkien",
"Out of the Silent Planet": "C.S. Lewis",
"The Place of the Lion": "Charles Williams",
"Poetic Diction": "Owen Barfield"
};
// 获取对象的key值
var arr = Object.keys(bookAuthors);
console.log(arr);
// 获取长度
console.log(arr.length);<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>h5 jquery 长摁</title>
<script src="http://code.jquery.com/jquery-2.1.1.min.js"></script>
<style>
#mydiv {
width: 100%;
height: 100px;
background:#ddd;
font-size: 30px;
text-align: center;
}
</style>
</head>
<body>
长摁下方灰色区域
<div id="mydiv">这里是文字</div>
<script>
$("body").delegate("#mydiv", "click", function () {
console.log('点击');
});
var timeout;
$("body").delegate("#mydiv", "touchstart", function (e) {
console.log('开始长摁');
timeout = setTimeout(function () {
$("#mydiv").text("你长摁了");
}, 1500);
stopPropagation(e);
});
$("body").delegate("#mydiv", "touchmove", function (e) {
console.log('touchmove');
clearTimeout(timeout);
}, {passive: false});
$("body").delegate("#mydiv", "touchend", function (e) {
console.log('touchend');
$("#mydiv").text("这里是文字");
clearTimeout(timeout);
});
//阻止冒泡
function stopPropagation(e) {
if (e.stopPropagation)
e.stopPropagation();
else
e.cancelBubble = true;
}
</script>
</body>
</html>async 必须设置为 ture,timeout 才生效;
如果 async 设置为 false,则锁住浏览器,禁止一切操作,直到请求有返回结果。