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使下拉框某项不可选的方法
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2008年02月22日 02:24 P.M.
| ? <html>
?? <head>
??? <style type="text/css">
??? option.disabled { color: #999;}
??? </style>
??? <script>
???? function preventSelectDisabled(oSelect)
???? {??? var isOptionDisabled = oSelect.options[oSelect.selectedIndex].disabled;???
??? if(isOptionDisabled)
??? {??????
??? oSelect.selectedIndex = oSelect.defaultSelectedIndex;???????
??? return false;???
??? }??
??? else oSelect.defaultSelectedIndex = oSelect.selectedIndex;??? return true;
????? }
??? </script>
?? </head>
?? <body>
?? <select name="Type" id="ReportName" class="textinput"
??????? οnchange='return preventSelectDisabled(this)'>
??????? <option value="reportAsset">
????????? Positions Summary
??????? </option>
??????? <option value="reportOptions">
????????? Account Transactions
??????? </option>
??????? <option value="reportOptions">
????????? Performance Summary
??????? </option> ??????? <option disabled='disabled' class='disabled'> ????????? Asset Allocations
??????? </option>
???????
??????? <option disabled='disabled' class='disabled'>
????????? Options Tracking
??????? </option> ??????? <option disabled='disabled' class='disabled'>
????????? Historical Variance
??????? </option> ??????? <option disabled='disabled' class='disabled'>
????????? Portfolio Statistics
??????? </option>
????? </select>
????? </body> |
轉載于:https://www.cnblogs.com/y0umer/archive/2009/07/07/3839538.html
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