Python Learning Path 7 front End Learning 4 JQuery Learning

Transformation:

jquery Object [0] = + DOM Object

$ (Dom object) = = jquery Object

1.id

$ ("#id")

2.class

$ (". CN")

3. Get all the A tags in the label

$ (' a ')

4. Get a collection of multiple labels

$ ("a,.cn. #in")

5. Hierarchy

$ ("#in a") all a labels with an ID of n

$ ("#in >a") son level

6. Index

$ ("#i10 A:eq (2)") ID i10 a label with index value 2

And there is: first/: Last

7. Filter Properties

$ (' [Alex] ')

$ ("[Alex=value]")

Shorthand: $ (": Value")

8. Set disabled in the label can be set to non-editable

$ (":d isabled") + can find all disabled labels

9. Small example: multiple selection and inverse selection

Python Learning Path 7 front End Learning 4 JQuery Learning