chq11106004389的博客

使用function的目的 Define once but call it multiple times. function的使用步骤 Step1 Declare a function ( doesn't do anything though) Step2 Call the function (This will change the program flow) program flo

head meta data language,title supporting files:JavaScript, Styling,Addons. Body is the bulk of your page, it's important to write well-formatted(tree-like) code. Most of the contents will be disp