Tag:Xiao Zhang

  • The introduction of structural elements in H5: header, NAV, article, aside, section, footer

    Time:2019-11-7

    Structural elements do not have any style, but make the semantics of page elements clearer. Header element The header element is a structural element with guidance and navigation functions,This element can contain all the content normally placed in the page header。 The header element is usually used to place the title of the whole page […]

  • C# delegate

    Time:2019-10-29

    Delegates in C are similar to pointers to functions in C or C + +.DelegateIs a reference type variable that holds a reference to a method. References can be changed at run time. Delegates are specifically used to implement events and callback methods. All delegates are derived fromSystem.DelegateClass.   For example, Xiaoming asks Xiaozhang to […]