Introduction to the use of jquery css_jquery

jQuery operates CSS

• addClass() - Add one or more classes to the selected element
• removeClass() - removes one or more classes from selected elements
• toggleClass() - Add/remove classes to the selected element.
• css() - Sets or returns one or more style attributes of the selected element.

jQuery css() method

〈1〉Return CSS properties

css("propertyname");

〈2〉Set CSS properties

css("propertyname","value");

〈2.1〉Set multiple CSS properties

css({"propertyname":"value","propertyname":"value",...});

jQuery size method

jQuery provides several important methods for handling dimensions:

• width() Sets or returns the width of an element (not including padding, borders, or margins).
• height() Sets or returns the height of an element (not including padding, border, or margins).

  设置：$("#div1").width(500).height(500); more : $(window/document).width/height;

• innerWidth() Returns the width of the element (including padding).
• innerHeight() Returns the height of the element (including padding).
• outerWidth() Returns the width of the element (including padding, border and margin).
• outerHeight() Returns the height of the element (including padding, border and margin).