jQuery创建并附加多个元素

I have created 2 divs, Div1(freeze) Div2(parent) and again 3 divs(loading, header, msg) appended it to Div2(parent). Entire divs in to body tag. Below are my code, I think there is some other best way to achieve this.I have created 2 divs, Div1(freeze) Div2(parent