1ãå¨htmlä¸å®ä¹ä¸ä¸ªform
2ãå¨formä¸å®ä¹ä¸ä¸ªselectä¸ææ¡
3ãç»ä¸ææ¡ç»å®ä¸ä¸ªonchangeäºä»¶
4ãå®ä¹ä¸ä¸ªjså½æ°å¤çonchangeäºä»¶
5ãå¨jså½æ°ä¸è·å表å对象ï¼å©ç¨form.submit()æ¹æ³æ交表å
示ä¾ï¼
<form id="myform" action="#" method='post'>
<select onchange="submitForm();">
<option value="">beijing</option>
<option value="">shanghai</option>
</select>
</form>
function submitForm(){
//è·åform表å对象
var form = document.getElementById("myform");
form.submit();//form表åæ交
}
</script>
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