BackboneJS model.unset()方法
它是用來從backbone模型刪除屬性。
語法
model.unset(attribute)
參數:
- attribute:屬性定義創建的模型的屬性。
示例
<!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 Company = Backbone.Model.extend(); var company=new Company(); company.set({ comp_name: "YiiBai"}); document.write("<b>Before using unset method , Company name is:</b> ", company.get('comp_name')); company.unset('comp_name'); document.write("<br>"); document.write("<b>After unset, Company name is:</b>", company.get('comp_name')); </script> </head> <body></body> </html>
輸出
讓我們進行以下步驟來看看上麵的代碼工作:
-
保存上述代碼在文件unset.html
-
打開瀏覽器這個HTML文件。