Javascript manipulation HTML control instance of javascript to add HTML
//The padding of the drop-down list _showSchools: function (data) { //Data represents a data object var mySelect = document.getElementById("selectSchools"); //Gets the drop-down box mySelect.options.length = 0; //Add option to the select TAB for (var index in data) { var item = data[index]; var opp = new Option(item.SchoolName, item.name); //The first parameter represents what the drop-down box shows, and the second represents what the drop-down box selects opp.name = "option" + index; mySelect.add(opp); } },//The retrieval of the contents of the drop-down listvar schoolId = document.getElementById("selectSchools").value;// We usually select the value of the drop-down box is the selected content, not the displayed content, how to get the displayed content, the following is Gets the drop-down box The selected display content offunction on_idmbzd_change(){ var sel_obj=document.getElementById("idMbzd"); var index=sel_obj.selectedIndex; alert(sel_obj.options[index].value); alert(sel_obj.options[index].text);}//The retrieval of the contents of a radio button var chkObjs = document.getElementsByName("radio"); var checkvalue = null; for (var i = 0; i < chkObjs.length; i++) { if (chkObjs[i].checked) { checkvalue = parseInt(chkObjs[i].value); } }//Radio button Settingsif (entity.SelectType == 1) document.getElementById("SelectType").checked = true;if (entity.SelectType == 0) document.getElementById("UnSelectType").checked = true;//Multi-marquee SettingssetCheckBox: function (data) { var courseList = document.getElementsByName("CourseList"); for (var i = 0; i < courseList.length - 1; i++) { if (courseList[i].value==data) { courseList[i].checked=true; } } },