Using the HTML5 JS selector to manipulate elements in a page

Source: Internet
Author: User
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Use the HTML5 JS selector to manipulate the elements in the page.

File name: queryselector.html, you can preview the effect in Chrome browser.

          
   using the HTML5 JS selector action page elements        
 
                <H2 > Hobbies:

                    Basketball         Singing         < Label for= "C3" > Swimming         Billiards                 get interested in hobbies    
   

In the example, the 22nd, 26, 33, and 36 lines used the element selector, the pseudo class selector, the property selector, and the child element selector, respectively.

The queryselector.html file effect is as follows:

Selecting the data and clicking the "Get Interest" button has the following effect:



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