JavaScript basics video tutorial

• Chapter1 Basic introduction to JavaScript and data types
• 1-1 introduce
• 1-2 How to embed script code in web pages
• 1-3 Comment
• 1-4 Variables - give things a name
• 1-5 Type of data - numbers, text, true vs false, etc.
• 1-6 Processing of text strings
• 1-7 Array array
• Chapter2 JavaScript flow control
• 2-1 if..else..
• 2-2 switch statement
• 2-3 while loop
• 2-4 for loop
• Chapter3 JavaScript functions
• 3-1 function function
• 3-2 define a function
• 3-3 function expression
• 3-4 variable scope
• Chapter4 JavaScript objects
• 4-1 Object
• 4-2 create an object
• 4-3 array in object
• 4-4 Update and delete attributes in objects
• 4-5 Add methods to objects
• 4-6 Loop through the properties in the output object
• Chapter5 JavaScript DOM introduction and operation
• 5-1 DOM operation document interface
• 5-2 Document tree
• 5-3 getElementById
• 5-4 getElementsByTagName
• 5-5 querySelector 与 querySelectorAll
• 5-6 Access an element's properties
• 5-7 Create and insert new nodes into the document
• 5-8 Insert node at specified position
• Chapter6 JavaScript events
• 6-1 deal with what happened
• 6-2 How to handle events
• 6-3 Handle the event that occurs using the object's event handler
• 6-4 Bind events to objects
• 6-5 dissemination of events
• 6-6 Change how events are propagated
• 6-7 Stop propagating event