JavaScript Advanced Programming: Notes 1~4 Chapter

Source: Internet
Author: User
Tags switch case
  1. Chapter III on the basic concept of operators, please refer to the Catalogue self test
  2. It is recommended to learn more about the for-in loop defining local variables (if the object property null/undefined) is not executing the statement
  3. Understand the use of label and Break/continue
  4. Understand the principle of with and know that a lot of use with will reduce efficiency
  5. Understand the use of switch case, know its special in JS, when merging options remember annotations (instead of missing break)

JavaScript Advanced Programming: Notes 1~4 Chapter

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