元素onChange javascript無法正常工作

Question

<select name='cmg_select'  onChange="javascript:window.location.href='index.php?'+this.value">
    <option value='pening'> pening </option>
    <option value='complete'> complete </option>
    <option value='pening'> pening </option>
</select>

串聯不起作用。

Answer 1

1. 刪除javascript:部分
2. 刪除href部分

結果 ：

< select name='cmg_select' onchange="window.location='index.php?'+this.value" >

Answer 2

試試這個

<select name='cmg_select' onChange="window.location.href='index.php?'+this.options[this.selectedIndex].value">
<option value='pening' > pening </option>
<option value='complete' > complete </option>
<option value='pening' > pening </option>
</select>

Answer 3

從onchange屬性中刪除javascript: onchange