如何从< select multiple = multiple>获取所有选定的值？ [英] How to get all selected values from <select multiple=multiple>?

问题描述

我有一个html，如下所示：

 < select id =select-meal-typemultiple =multiple> 
< option value =1>早餐< / option> 
< option value =2>午餐< / option> 
< option value =3>晚餐< / option> 
< option value =4> Snacks< / option> 
< option value =5>甜点< / option> 
< / select> 
  

如何获得用户在javascript中选择的所有值（数组？）？

例如，如果用户选择了Lunch and Snacks，我需要一个{2,4}数组。

<这似乎应该是一个非常简单的任务，但我似乎无法做到。

谢谢。

通常的方法：

  var values = $（'＃select-meal-type'）。val（）; 
  

从 docs ：
$ b

在< select multiple =multiple>的情况下

code>元素， .val（）方法返回一个包含每个选定选项的数组;




Seemed odd I couldn't find this one already asked, but here it goes!

I have an html as follows:

<select id="select-meal-type" multiple="multiple">
    <option value="1">Breakfast</option>
    <option value="2">Lunch</option>
    <option value="3">Dinner</option>
    <option value="4">Snacks</option>
    <option value="5">Dessert</option>
</select>

How do I get all the values(an array?) that the user has selected in javascript?

For example, if the user has selected Lunch and Snacks, I want an array of { 2, 4 }.

This seems like it should be a very simple task but I can't seem to do it.

Thanks.

解决方案

The usual way:

var values = $('#select-meal-type').val();

From the docs:

In the case of <select multiple="multiple"> elements, the .val() method returns an array containing each selected option;

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