注：本文内容摘录自《Learning jQuery (4th Edition)》。
These effect methods may be used to perform animations on DOM elements.
目录
Predefined effects
| Effect method | Description |
|---|---|
| .show() | Displays the matched elements. |
| .hide() | Hides the matched elements. |
| .show(speed, [callback]) | Dispalys the matched elements by animating height, width, and opacity. |
| .hide(speed, [callback]) | Hides the matched elements by animating height, width, an opacity. |
| .toggle([speed], [callback]) | Displays or hides the matched elements. |
| .slideDown([speed],[callback]) | Displays the matched elements with a sliding motion. |
| .slideUp([speed], [callback]) | Hides the matched elements with a sliding motion. |
| .fadeIn([speed], [callback]) | Displays the matched elements by fading them to opaque. |
| .fadeOut([speed], [callback]) | Hides the matched elements by fading them to transparent. |
| .fadeToogle([speed], [callback]) | Displays or hides the matched elements with a fading animation. |
| .fadeTo(speed, opacity, [callback]) | Adjusts the opacity of the matched elements. |
Custom animations
| Effect method | Description |
|---|---|
| .animate(properties, [speed], [easing], [callback]) | Performs a custom animation of the specified CSS properties. |
| .animate(properties, options) | A lower-level interface to .animate(), allowing control over the animation queue. |
Queue manipulation
| Effect method | Description |
|---|---|
| .queue([queueName]) | Retrieves the queue of functions on the first matched element. |
| .queue([queueName], callback) | Adds callback to the end of the queue. |
| .queue([queueName], newQueue) | Replaces the queue with a new one. |
| .dequeue([queueName]) | Executes the next function on the queue. |
| .clearQueue([queueName]) | Empties the queue of all pending functions. |
| .stop([clearQueue], [jumpToEnd]) | Stops the curently running animation, then starts queued animations, if any. |
| .finish([queueName]) | Stops the currently running animation and immediately advances all queued animations to their target values. |
| .delay(duration, [queueName]) | Waits duration milliseconds before executing the next item in the queue. |
| .promise([queueName], [target]) | Returns a promise object to be resolved once all queued actions on the collection have finished. |
