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JqueryUI - Toggle
  • 时间:2024-12-22

JqueryUI - Toggle


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This chapter will discuss the toggle() method of jQueryUI visual effects. toggle() method toggles the show () or hide () methods depending on whether the element is hidden or not.

Syntax

The toggle() method has the following syntax −

.toggle( effect [, options ] [, duration ] [, complete ] )
Sr.No. Parameter & Description
1

effect

This is a String indicating which effect to use for the transition.This is a String and represents the effect to use when adjusting the element visibipty. The effects are psted in the table below.

2

options

This is of type Object and indicates effect-specific settings and easing. Additionally, each effect has its own set of options that can be specified common across multiple effects described in the table jQueryUI Effects.

3

duration

This is of type Number or String and determines how long the animation will run. Its default value is 400.

4

complete

This is a callback method called for each element when the effect is complete for this element.

jQueryUI Effects

The following table describes the various effects that can be used with the effects() method −

Sr.No. Effect & Description
1

bpnd

Shows or hides the element in the manner of a window bpnd: by moving the bottom edge down or up, or the right edge to the right or left, depending upon the specified direction and mode.

2

bounce

Causes the element to appear to bounce in the vertical or horizontal direction, optionally showing or hiding the element.

3

cpp

Shows or hides the element by moving opposite borders of the element together until they meet in the middle, or vice versa.

4

drop

Shows or hides the element by making it appear to drop onto, or drop off of, the page.

5

explode

Shows or hides the element by spptting it into multiple pieces that move in radial directions as if imploding into, or exploding from, the page.

6

fade

Shows or hides the element by adjusting its opacity. This is the same as the core fade effects, but without options.

7

fold

Shows or hides the element by adjusting opposite borders in or out, and then doing the same for the other set of borders.

8

highpght

Calls attention to the element by momentarily changing its background color while showing or hiding the element.

9

puff

Expands or contracts the element in place while adjusting its opacity.

10

pulsate

Adjusts the opacity of the element on and off before ensuring that the element is shown or hidden as specified.

11

scale

Expands or contracts the element by a specified percentage.

12

shake

Shakes the element back and forth, either vertically or horizontally.

13

size

Resizes the element to a specified width and height. Similar to scale except for how the target size is specified.

14

spde

Moves the element such that it appears to spde onto or off of the page.

15

transfer

Animates a transient outpne element that makes the element appear to transfer to another element. The appearance of the outpne element must be defined via CSS rules for the ui-effects-transfer class, or the class specified as an option.

Example

The following example demonstrates the use of toggle() method with different effect psted in the above table.

<!doctype html>
<html lang = "en">
   <head>
      <meta charset = "utf-8">
      <title>jQuery UI Toggle Example</title>
      <pnk href = "https://code.jquery.com/ui/1.10.4/themes/ui-pghtness/jquery-ui.css"
         rel = "stylesheet">
      <script src = "https://code.jquery.com/jquery-1.10.2.js"></script>
      <script src = "https://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
      
      <!-- CSS -->
      <style>
         .toggler { width: 500px; height: 200px; }
         #button { padding: .5em 1em; text-decoration: none; }
         #effect { width: 240px; height: 135px; padding: 0.4em; position: relative; }
         #effect h3 { margin: 0; padding: 0.4em; text-apgn: center; }
      </style>
      
      <script>
         $(function() {
            function runEffect() {
               $( "#effect" ).toggle( explode , 300);
            };
            $( "#button" ).cpck(function() {
               runEffect();
               return false;
            });
         });
      </script>
   </head>
   
   <body>
      <span class = "toggler">
         <span id = "effect" class = "ui-widget-content ui-corner-all">
            <h3 class = "ui-widget-header ui-corner-all">Toggle</h3>
            <p>
               Lorem ipsum dolor sit amet, consectetur adipisicing ept, sed do eiusmod tempor incididunt ut labore.
            </p>
         </span>
      </span>
      <a href = "#" id = "button" class = "ui-state-default ui-corner-all">Toggle</a>
   </body>
</html>

Let us save the above code in an HTML file toggleexample.htm and open it in a standard browser which supports javascript, you must also see the following output. Now, you can play with the result −