Javascript Picture Library

The contents of this chapter:

1. Preparation of a good marking document;

2. Write a JavaScript function to display the picture that the user wants to see

3. Trigger function call by tag

4. Use several new methods to expand this function

Dom Properties:

1,childnodes property: Can be used to get all the child elements of any one element, he is an array containing all the child elements of this element; The array returned by the ChildNodes property contains all types of nodes.

2.nodeType

The NodeType attribute value of the element node is 1,

The NodeType property value of the attribute node is 2,

The NodeType property value of the text node is 3.

3,nodevalue property: If you want to change the value of a text node, use the NodeValue property to get and change the value of a node.

FirstChild and LastChild Properties

Javascript Picture Library