它將刪除所有的屬性,包括backbone模型的id屬性。
model.clear(options)
<!DOCTYPE html> <head> <title> Model Example</title> <script src="https://code.jquery.com/jquery-2.1.3.min.js" type="text/javascript"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js" type="text/javascript"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js" type="text/javascript"></script> <script type="text/javascript"> var Model = Backbone.Model.extend(); var model = new Model({name:"YiiBai", id:1}); document.write("<b>Before using clear, name: </b>", model.get('name')); document.write("<b>Before using clear, id: </b>", model.get('id')); document.write("<br>"); model.clear(); document.write("<b>After using clear, name:</b> ", model.get('name')); document.write("<b>After using clear, id: </b>", model.get('id')); </script> </head> <body></body> </html>
讓我們進行以下步驟來看看上面的程式碼工作:
儲存上述程式碼的檔案clear.html
在瀏覽器中開啟這個HTML檔案。