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js option delete code collection_javascript skills

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WBOYOriginal
2016-05-16 18:58:57958browse

1. JavaScript

Copy code The code is as follows:

var oSel=document.form1.DropDownCity;
while(oSel.options.length>0){
oSel.removeChild(oSel.options[0]);
}

2. JavaScript
Copy code The code is as follows:



3. JavaScript
Copy code The code is as follows:


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