[javascript]MooTools Selectors(MooTools 选择器) ELEMENT DOM选择

//ELEMENT DOM选择
//on are tag names.
//All the divs on the page:
$$(‘div‘);
//All the divs and paragraphs
//note: this returns an array with all the divs first,
//then all the paragraphs:
$$(‘div‘, ‘p‘);
//When you include Selectors.js, you can
//pass in CSS selectors.
//All the divs with the css class ‘myClass‘:
$$(‘div.myClass‘)
/All the paragraphs that are inside divs:
$$(‘div p‘);
//All the bold tags in paragraphs with
//Class ‘foo‘ in divs with class ‘myClass‘:
$$(‘div.myClass p.foo b‘);

//All the inputs where name equals ‘email‘
$$(‘input[name=email]‘)
//All the images with urls that end in .gif:
$$(‘img[src$=gif]‘)
//All the links without target="_blank":
$$(‘a[target!=_blank]‘)
Note that these expressions can take double or single quotes when you
want to search for something that has a space or other character:

$$(‘input[name!="user[username]"]‘)
$$(‘img[src$=".gif"]‘)