這篇文章主要介紹了js自動查找select下拉的菜單並選擇(示例代碼)需要的朋友可以過來參考下，希望對大家有所幫助
代碼如下: function find_select(name) { var select = document.getElementsByName(name); var find_str = document.getElementById('to_find_str').value; if(select) { select = select[0]; var child = select.childNodes; var can=false,text='',len=child.length,is_end=true; for(var i=0;i<len;i++) { if(can) { text = child[i].text; if( text && text.indexOf(find_str)!=-1) { //console.log(text); child[i].selected = true; var v = child[i].value; select.value = v; select.onchange(v); is_end = false; break; } } if(child[i].selected) can = true; } if(is_end) alert('已沒有匹配內容'); } } 代碼如下: <tr> <td><?php echo $L_SpecialActivityIdentifier?></td> <td> <select name="Activity[Identifier]" id="Identifier" onchange="change_activity(this.value)"> <option value="">請選擇</option> <?php foreach ($ActivityTypes as $Row ) { echo '<option value="'.$Row['Identifier'].'" '.($Row['Identifier']==$Activity['Identifier']?'selected':'').'>'.$Row['Name'].'</option>'; } ?> </select> -- <input value='' id='to_find_str' size=16 style="text-align:center;" /><input value='find' onclick='find_select("Activity[Identifier]")' type=button /> </td> </tr>