[英]How to get final select values from multi-select drop down list Jquery
Here is my code, it will get all selected values from multi-select drop down list including the previous select values. 这是我的代码,它将从多选下拉列表中获取所有选择的值,包括先前的选择值。 My question is, how to get final select valus?
我的问题是,如何获得最终选择价值? Thank you!
谢谢!
var devices = new Array();
var device = document.getElementById("deviceCat");
$('#deviceCat option:selected').each(function() {
devices.push($(this).text());
});
For example, if user select 1 first, and then he find that he doesn't need to select 1. So, he turn to select 2 and 4 then, but my code will output 1,2 and 4. What I want is only 2 and 4 . 例如,如果用户首先选择1,然后发现他不需要选择1。那么,他依次选择2和4,但是我的代码将输出1,2和4。 2和4。
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