两个选择下拉列表,带有JavaScript中的类别
样本数据库两个选择下拉列表,带有JavaScript中的类别,javascript,laravel-5.1,dropdown,Javascript,Laravel 5.1,Dropdown,样本数据库 Location location_id location 1 Bacolod 2 Bohol 3 Cebu 4 Manila School id location_id School_name 1 1 Bacolod Tay Tung High School 2 3
Location
location_id location
1 Bacolod
2 Bohol
3 Cebu
4 Manila
School
id location_id School_name
1 1 Bacolod Tay Tung High School
2 3 University of Southern Philippines Foundation
3 2 Dr. Cecilio Putong National High School
4 1 Jack and Jill School
5 4 British School Manila
6 2 Holy Spirit School of Tagbilaran
7 4 Chinese International School Manila
8 2 Ubay National Science High School
9 3 Abellana National School
<select onChange="jsFunction()" id="team1" >
@foreach($locations as $location)
<option onclick="jsFunction()">{!! $location->location_name!!}</option>
@endforeach
</select>
<select id="team2">
<option>Computer Science</option>
<option>Mathematics</option>
<option>Bioinformatic</option>
<option>Management Sciences</option>
</select>
<script>
function jsFunction(){
var team1 = document.getElementById( "team1" );
var team2 = document.getElementById( "team2" );
for (i=0;i<4;i++){
team2.remove(0);
}
var position=0;
for (i=0;i<4;i++){
if (i!=team1.selectedIndex){
team2.options[position] = new Option(team1.options[i].value);
position=position+1;
}
}
}
</script>
位置
位置\u id位置
1巴科洛德
2波霍尔
3宿务
4马尼拉
学校
id位置\u id学校\u名称
1 1巴科洛德泰东中学
2南菲律宾大学3基金会
3.2 Cecilio Puton国立高中博士
4.1杰克和吉尔学校
5.4马尼拉英国学校
6.2塔比拉兰的圣灵学校
7.4马尼拉中文国际学校
8.2乌拜国立科学高中
9.3 Abellana国立学校
@foreach($locations作为$location)
{!!$location->location\u name!!}
@endforeach
计算机科学
数学
生物信息学
管理科学
函数jsFunction(){
var team1=document.getElementById(“team1”);
var team2=document.getElementById(“team2”);
对于(i=0;i你可以参考