JavaScript event mechanism-JS Tutorial-php.cn

Parent form html document:

Student Management
// 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