以24小时格式获取时间并使用Javascript AngularJS将其保存在任何变量中

I am creating a time slot in Javascript. Please no jQuery. If you put the first time and last time, then it will make a lists of interval and after 12 number, it will change to am to pm. Suppose, if your start time is 11 and end time is 19, then it will make a slot like like this,I am creating a time slot in Javascript. Please