- get
- ¨ú¥X¿ï¾ÜªºÈ
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$("select#Club").val();
$('select#Club option:selected').text();
¥H¤W2¤èªk¦b³æ¿ï®É¬Û¦P¡A¦ý½Æ¿ï®É¡A
val()·|¥Î³r¸¹¤À¶} ex. AA, BB
text()¤£·| ex. AABB - ¨ú¥Xarray
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$("select#Club").children("[@selected]").each(function(){
alert(this.text());
});
- ¨ú¥X¿ï¾ÜªºÈ
- set
- ¨Ï¬YoptionÅܬ°selected
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$("#select1").children().each(function(){
if($(this).text()=="option you want"){
//jQueryµ¹ªk
$(this).attr("selected","true");//©Î¬Oµ¹selected¤]¥i
//javascriptµ¹ªk
this.selected =true;
}
});
- Åý·s¼Wªºoptionª½±µ¬°selected
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varoption = jQuery("new option");
$('select#Club').append(option);
$(option).attr("selected","true");//Åýoption¬°selected
$('select#Club').trigger("change");//³Ì«ánIJµoselectªºchange¨Æ¥ó
- select¤U©Ô®Øªº²Ä¤GÓ¤¸¯À¬°·í«e¿ï¤¤È
$('select#Club)[0].selectedIndex = 1;//¤£ª¾¬°¦ón¥[[0]
=========== K. T. Chen ´£¨ì ==========================
¦b$("")¥[[0]ªº·N«ä¬O§âjQueryª«¥óÂରDOMª«¥ó¡C³o¼Ë¤ljQueryª«¥ó¤~¯à¨Ï¥ÎDOM©³¤UªºselectedIndex¤èªk¡C
- ¨Ï¬YoptionÅܬ°selected
- event
//§ïÅܮɪº¨Æ¥ó
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$("select#Club").change(function(){//¨Æ¥óµo¥Í
//¤@¦¸¦L¥X
alert($(this).val());
//¦L¥X¿ï¨ì¦hÓÈ
jQuery('option:selected',this).each(function(){
alert(this.value);
});
});
- ²¾°£ removeOption(index/value/regex[, selectedOnly])
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$('select#Clubs option:selected').remove();
//¯Âjavascirpt
1 2 3 4 | <select onchange="alert('Index: ' + this.selectedIndex + '\nValue: ' + this.options[this.selectedIndex].value)"> ... </select> |