javascript 如何在剑道多选控件中获取所选项目的数量？
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How to get the count of selected items in Kendo Multi Select Control?
提问by Rodney
What is the best way to get the count of selected Items in the Kendo multi select control?
在 Kendo 多选控件中获取所选项目数的最佳方法是什么？
I've tried:
我试过了：
multiSelect.dataItems().count()
and
和
multiSelect.value().count()
and neither work? Any suggestions would be greatly appreciated.
既不工作？任何建议将不胜感激。
回答by Derick Bailey
using multiSelect.value()will give you an array of the selected items. You can then get the .lengthoff the array:
usingmultiSelect.value()将为您提供所选项目的数组。然后，您可以.length关闭阵列：
var count = multiSelect.value().length;
http://docs.kendoui.com/api/web/multiselect#methods-value
http://docs.kendoui.com/api/web/multiselect#methods-value
and
和
https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/length
https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/length
回答by Anil Singh
It might help to others
它可能对其他人有帮助
var multiSelectItems = $('#MultiselectCollection').data('kendoMultiSelect');
var count = multiSelectItems .value().length;
