DOM Examples

Examples of using JavaScript to access and manipulate the HTML DOM object.

Document Object

• Using document.write () to output text
• Using document.write () output HTML
• Returns the number of documents anchor
• Return the document in the first anchor innerHTML
• Returns the number of documents in the form of
• Returns the name of the document in the first form
• Returns the number of images in the document
• Return the document in the first picture ID
• Returns the number of links in a document
• Return the document in the first link ID
• Returns the names of all cookies in the document / value pairs
• Returns the domain name server to load documents
• Return to the document last modification time
• Returns the URL of the current document is loaded
• Returns the title of the document
• Returns the complete URL of the document
• Open the output stream, enter text into the stream
• different write () and writeln () of
• Pops an element with the specified ID of innerHTML
• Name pop-up with the specified number of elements
• With the number of pop-up elements specified tagname


• More examples of the Document object in our JavaScript reference manual.

Anchor objects

• Return and set up links charset attribute
• Return and set up the link href attribute
• Hreflang property return and set up links
• Returns the name of an anchor
• It returns the relationship between the current file and links between documents
• To change the link target attribute
• Returns the value of a property link type


• More examples of Anchor objects in our JavaScript reference manual.

Area objects

• Returns the image alternate text for an area map
• Returns the image coordinates of an area map
• Anchors returns a portion of the area href attribute
• Port image map of a region: Returns the host name
• Back hostname image map of a region
• Return to port an image map area
• Back href image map of a region
• Returns the pathname of an image map area
• Back protocol image map of a region
• Returns href attribute a region querystring part
• Returns the shape of a region of the image map
• The return value of the target image map of an area of


• More examples of the Area object in our JavaScript reference manual.

Base Object

• Returns the base URL for all relative URL of the page
• Back to all relative links based on links page


• More examples of Base target object in our JavaScript reference manual.

Button Objects

• When you click the End button is unavailable
• Returns the name of a button
• Returns the type of a button
• Returns the value of a button
• Returns a button to your table ID


• More Button object instances in our JavaScript reference manual.

Form Object

• It returns a value in the form of all the elements
• Returns the value of a property form acceptCharset
• Returns a form action attribute value
• The return value of the form attribute enctype
• Returns the number of elements in a form
• Back Send form data method
• Returns a form of name
• Returns a form target value of the property
• Reset Form
• Submit form


• More Button object instances in our JavaScript reference manual.

Frame / IFrame objects

• Iframe for layout
• Change the background color of a document contained in the iframe
• The return value of an iframe frameborder attribute
• Remove the iframe frameborder
• Change the height and width of the iframe
• The return value of an iframe longdesc attribute
• The return value of an iframe attributes marginheight
• The return value of an iframe attributes marginwidth
• The return value of a name attribute of an iframe
• Return and set a value in scrolling iframe attributes
• A change in the iframe src


• More Frame / IFrame object instances in our JavaScript reference manual.

Image Object

• For image layout
• Returns the image alternate text
• Add border to the image
• Change the image height and width
• Set the image of hspace and vspace attributes
• Returns the value of the longdesc attribute image
• Create a link to a low-resolution image
• Returns the name of the image
• Change the image src
• Returns the value of a client-side image maps of usemap


• More Image object instances in our JavaScript reference manual.

Event objects

• Which mouse button is clicked?
• The keyboard keys are pressed keycode?
• Coordinates of the mouse?
• Relative to the screen coordinates of the mouse?
• shift key has been pressed yet?
• Which element is pressed?
• Which incidents?

Option and Select Objects

• Disable and enable the drop-down list
• There are drop-down list to obtain a form of ID
• Get the number of drop-down list of options
• The drop-down list into multiple lines
• Select more than one option in the drop-down list
• Pop-up drop-down list of all the options
• Pop index drop-down list of the selected option
• Text drop-down list to change the selected option
• Remove the drop-down list of options

Table, TableHeader, TableRow, TableData objects

• Width change table borders
• Changing table cellpadding and cellspacing
• Specifies the table frame
• Specify rules for the table
• A line of innerHTML
• A cell innerHTML
• Create a title for the table
• Delete rows in the table
• Add table row
• Add a table row cell
• Align cell contents level
• The vertical alignment of cell contents
• Align the contents of a single cell level
• The contents of a single cell of vertical alignment
• Change the contents of the cell
• Number (colspan attribute) column change across the cell