jquery操作select下拉框的多种方法(选中,取值,赋值等).doc

QuerySelectTextValue:1. $(#select_id).change(function()/code.); /Select2. var checkText=$(#select_id).find(option:selected).text(); /SelectText3. var checkValue=$(#select_id).val(); /SelectValue4. var checkIndex=$(#select_id ).get(0).selectedIndex; /Select5. var maxIndex=$(#select_id option:last).attr(index); /SelectjQuerySelect TextValue:1. $(#select_id ).get(0).selectedIndex=1; /Select12. $(#select_id ).val(4); / SelectValue43. $(#select_id optiontext=jQuery).attr(selected, true); /SelectTextjQueryjQuery/SelectOption1. $(#select_id).append(Text); /SelectOption()2. $(#select_id).prepend(); /SelectOption()3. $(#select_id option:last).remove(); /SelectOption()4. $(#select_id optionindex=0).remove(); /Select0Option()5. $(#select_id optionvalue=3).remove(); /SelectValue=3Option6. $(#select_id optiontext=4).remove(); /SelectText=4Optionjquery radiocheckboxselectradiocheckboxselect radiovar item = $(inputname=itemschecked).val(); selectvar item = $(selectname=items optionselected).text();select$(#select_id)0.selectedIndex = 1;radio$(inputname=items).get(1).checked = true;$(#txt).attr(value) checkbox$(#checkbox_id).attr(value)radio $(inputtype=radiochecked).val();select $(#sel).val();$(#txt).attr(value,);/$(#txt).attr(value,11);/checkbox $(#chk1).attr(checked,);/$(#chk2).attr(checked,true);/if($(#chk1).attr(checked)=undefined) / radio $(inputtype=radio).attr(checked,2);/value=2 select $(#sel).attr(value,-sel3);/value=-sel3$(11112222).appendTo(#sel)/option$(#sel).empty()/-/optionoptionfunction changeShipMethod(shipping)var len = $(selectname=ISHIPTYPE option).lengthif(shipping.value != CA)$(selectname=ISHIPTYPE option).each(function()if($(this).val() = 111)$(this).remove(););else$(UPS Ground).appendTo($(selectname=ISHIPTYPE);/xx$(#testSelect option:selected).text();$(#testSelect).find(option:selected).text();$(#testSelect).val();/ 1,:var cc1 = $(.formc selectname=country optionselected).text(); /()var cc2 = $(.formc selectname=country).val(); /var cc3 = $(.formc selectname=country).attr(id); /ID$(#select).empty();/ /$(#select).html();$(1111).appendTo(#select)/option:1. selectname=country optionselected name country select selected option 2,:$(inputtype=radiochecked).val(); / ()$(inputtype=radiovalue=2).attr(checked,checked); /value=2.()3,:$(inputtype=checkboxchecked).val(); /$(inputtype=checkboxchecked).each(function() /,alert($(this).val(););$(#chk1).attr(checked,);/$(#chk2).attr(checked,true);/ if($(#chk1).attr(checked)=undefined) /jquery. .$(document).ready(function()$(#selectTest).change(function()/alert(Hello);/alert($(#selectTest).attr(name);/$(a).attr(href,xx.html);/window.location.href=xx.html;/alert($(#selectTest).val();alert($(#selectTest optionselected).text();$(#selectTest).attr(value, 2);););aaass112233445566jquery radiocheckboxselectradiocheckboxselectradio var item = $(inputname=itemschecked).val();select var item = $(selectname=items optionselected).text();select $(#select_id)0.selectedIndex = 1;radio $(inputname=items).get(1).checked = true; $(#txt).attr(value) checkbox$(#checkbox_id).attr(value)radio $(inputtype=radiochecked).val();select $(#sel).val(); $(#txt).attr(value,);/$(#txt).attr(value,11);/ checkbox $(#chk1).attr(checked,);/$(#chk2).attr(checked,true);/ if($(#chk1).attr(checked)=undefined) /radio $(inputtype=radio).attr(checked,2);/value=2 select $(#sel).attr(value,-sel3);/value=-sel3$(optionvalue=1& gt;11112222/option& gt;).appendTo(#sel)/option$(#sel).empty()/ radiovar item = $(inputname=itemschecked).val();selectvar item = $(selectname=items optionselected).text();select $(#select_id)0.selectedIndex = 1;radio$(inputname=items).get(1).checked = true;$(#txt).attr(value) checkbox$(#checkbox_id).attr(value)radio $(inputtype=radiochecked).val();select $(#sel).val(); $(#txt).attr(value,);/$(#txt).attr(value,11);/ checkbox $(#chk1).attr(checked,);/$(#chk2).attr(checked,true);/ if($(