Parent form html document:
// Call Modal form, enter student information in the modal form and then pass it to the parent form.
var result = window.showModalDialog("addinfo.html", , "dialogwidth:800px;dialogheight:300px");//result receives an array object
//alert(result: + result[0]); // Output the return value, result returns not a string, but an array
/////////The following is used to judge that when all the boxes in the add page of the mode are empty, there is no need to add a row in the main form.
var flag = 0; (result[i].match(/^s*$/)) {
;
! = undefined) {//
"myTable" ) );/ /Pass two parameters to the addRow method, one is the returned result and the other is the table to be operated on
/
/ /alert ( myTable );
. i++ ){//According to the result Create the corresponding number td 数
创 = Document.createElement (TD);
// add
tr.appndchild (TD); // Add to the back of tr
.myTable.appendChild(tbody); //Add the created tbody to the table to be displayed,
// The above is actually the process of creating html through the document object
----------//Create an event trigger for each tr row created
but /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////Proxy that when the mouse is moved,
tr.style.backgroundcolor = "#abcdef"; // Background color. Tr.tition = "Click to modify!"; // Reminder information};
tr. = Function () {////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////gang ////////////////////////////After the mouse is released
//Register Click event
tr.onclick = function(){//////////////////////////////////////// ////////////////////When the mouse clicks
Display the current row data in the cell collection cells
. /Create a temporary array to store to be passed to the modal dialog box The data of nerHTML;//Put the content in the cell of the selected row Temporary array
td in tr
添加子窗体html文档:

去掉重复并排序的方法:1、使用“Array.from(new Set(arr))”或者“[…new Set(arr)]”语句,去掉数组中的重复元素,返回去重后的新数组;2、利用sort()对去重数组进行排序,语法“去重数组.sort()”。

本篇文章给大家带来了关于JavaScript的相关知识,其中主要介绍了关于Symbol类型、隐藏属性及全局注册表的相关问题,包括了Symbol类型的描述、Symbol不会隐式转字符串等问题,下面一起来看一下,希望对大家有帮助。

怎么制作文字轮播与图片轮播?大家第一想到的是不是利用js,其实利用纯CSS也能实现文字轮播与图片轮播,下面来看看实现方法,希望对大家有所帮助!

本篇文章给大家带来了关于JavaScript的相关知识,其中主要介绍了关于对象的构造函数和new操作符,构造函数是所有对象的成员方法中,最早被调用的那个,下面一起来看一下吧,希望对大家有帮助。

本篇文章给大家带来了关于JavaScript的相关知识,其中主要介绍了关于面向对象的相关问题,包括了属性描述符、数据描述符、存取描述符等等内容,下面一起来看一下,希望对大家有帮助。

方法:1、利用“点击元素对象.unbind("click");”方法,该方法可以移除被选元素的事件处理程序;2、利用“点击元素对象.off("click");”方法,该方法可以移除通过on()方法添加的事件处理程序。

本篇文章给大家带来了关于JavaScript的相关知识,其中主要介绍了关于BOM操作的相关问题,包括了window对象的常见事件、JavaScript执行机制等等相关内容,下面一起来看一下,希望对大家有帮助。

foreach不是es6的方法。foreach是es3中一个遍历数组的方法,可以调用数组的每个元素,并将元素传给回调函数进行处理,语法“array.forEach(function(当前元素,索引,数组){...})”;该方法不处理空数组。


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