JavaScript and the DOM

  1. Working with Web Forms
    1. Accessing Forms
      1. document.forms Collection
        1. Selecting Forms by Name
          1. Selecting Forms by Index
            1. Form Element Access
            2. Form Elements
              1. elements Collection
                1. Accessing by Name
                  1. Accessing by Index
                    1. Element Types
                    2. Form Field Values
                      1. Text Input Values
                        1. value Property
                          1. Input Validation
                          2. Textarea Values
                            1. value Property
                              1. Content Handling
                              2. Select Element Values
                                1. value Property
                                  1. selectedIndex Property
                                    1. options Collection
                                    2. Checkbox Values
                                      1. checked Property
                                        1. value Property
                                        2. Radio Button Values
                                          1. checked Property
                                            1. Radio Button Groups
                                            2. Select Options
                                              1. Single Selection
                                                1. Multiple Selection
                                                  1. Option Manipulation
                                                2. Form Submission
                                                  1. submit Event Handling
                                                    1. Preventing Default Submission
                                                      1. Programmatic Submission
                                                        1. submit() Method
                                                        2. Form Data Collection
                                                        3. Form Validation
                                                          1. Client-Side Validation
                                                            1. Required Field Validation
                                                              1. Pattern Matching
                                                                1. Custom Validation Logic
                                                                  1. Validation Feedback
                                                                    1. Constraint Validation API
                                                                      1. checkValidity() Method
                                                                        1. setCustomValidity() Method
                                                                          1. Validation States
                                                                            1. Validation Messages

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                                                                        6. Handling Events

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                                                                        8. Advanced DOM Concepts