Class dom_element
        
        Web process Lua interface to the DOM
        
This module is only available from web process Lua states.
The dom_element class allows interaction with elements on any web page.
Methods
element:query (selector)
Find all sub-elements which match a given CSS selector.
Parameters
- 
            selectorType: stringA CSS selector.
Return Values
- 
            {dom_element}All sub-elements which match the selector.
element:append (child)
Append a new child element to the end of the element's children.
Parameters
- 
            childType: dom_elementThe new child element.
element:remove ()
Remove the element from its parent element.
element:click ()
Simulate a mouse click on the element.
element:focus ()
Focus the element.
element:submit ()
If the element is a form element, submit the form.
element:add_event_listener (type, capture, callback)
Add an event listener to this element. The callback will be called with a
single table argument, which will have a target field containing the event
source element. If the event is a mouse event, it will also have a button
field, containing the mouse button number.
Parameters
- 
            typeType: stringThe type of event to listen for.
- 
            captureType: booleanWhether the event should be captured.
- 
            callbackType: functionThe callback function.
Properties
element.inner_html
Type: string
                    
                    Read-write
                
The inner HTML of the element.
            element.tag_name
Type: string
                    
                    Read-only
                
The tag name of the element.
            element.text_content
Type: string
                    
                    Read-only
                
The text content of the element.
            element.child_count
Type: integer
                    
                    Read-only
                
The number of child elements this element has.
            element.src
Type: string
                    
                    Read-only
                
The "src" attribute of the element.
            element.href
Type: string
                    
                    Read-only
                
The "href" attribute of the element.
            element.value
Type: string
                    
                    Read-write
                
The "value" attribute of the element.
            element.checked
Type: boolean
                    
                    Read-write
                
Whether this element is checked.
            element.type
Type: string
                    
                    Read-only
                
The "type" attribute of the element.
            element.parent
Type: dom_element
                    
                    Read-only
                
The parent element of this element.
            element.first_child
Type: dom_element
                    
                    Read-only
                
The first child element of this element.
            element.last_child
Type: dom_element
                    
                    Read-only
                
The last child element of this element.
            element.prev_sibling
Type: dom_element
                    
                    Read-only
                
The previous sibling element of this element.
            element.next_sibling
Type: dom_element
                    
                    Read-only
                
The next sibling element of this element.
            element.rect
Type: table
                    
                    Read-only
                
The position of the element within the containing DOM document. It has four
keys: 
            top, left, width, and height.
element.style
Type: table
                    
                    Read-only
                
Table of computed styles. Index should be the name of a CSS property value.
            element.attr
Type: table
                    
                    Read-write
                
The attributes of the DOM element and their values, as key/value
pairs. All keys and values must be strings. Iteration with 
            next()
or pairs() does not work.
element.document
Type: dom_document
                    
                    Read-only
                
The DOM document that this element is within. If this element is within a
subframe, the document returned will be the DOM document for that subframe,
not the top-level document.
            element.owner_document
Type: dom_document
                    
                    Read-only
                
The DOM document that is the top-level document object for this element.
one document and added to another.
            Signals
"destroy"
Emitted when the element is destroyed.
Attribution
Copyright
- 2017 Aidan Holm