Usage analysis of jQuery scrolling plug-in scrollable.js
Jan 10, 2018 pm 01:27 PM
Scrollable is a flexible, lightweight jQuery plug-in for creating scrolling content. Any content (HTML, videos, files, images, etc...) can be used as a scroll item. Supports both horizontal and vertical scrolling directions. This article mainly introduces the usage of the jQuery scrolling plug-in scrollable.js, and briefly analyzes the functions, methods and related usage skills of scrollable.js. Friends in need can refer to it. I hope it can help everyone.
Purpose: scrolling effect, can create step-by-step verification page
The following scrollable.js method description:
Method name |
Return value | Description |
| ##getConf() | Object | Returns the configuration object of scrollable, and can be set by setting the related properties of the object value to modify the properties of the configuration object. |
| number | ##Get The index number of the current scroll item, 0 represents the first element, 1 represents the second element, and so on. In addition, it should be noted that if multiple scroll items are obtained, only the index number of the first scroll item will be returned. | |
| jQuery | Return all scrolls Item, the result is returned as jquery object. | |
| getItemWrap() | jQuery | Get the scroll item Parent node, the result is returned as a jquery object. |
| getPageAmount() | number | Get the current scroll bar number of pages. |
| getPageIndex() | number | Returns the current paging index Number.For example, if paging is set to 5 scroll items/page, and the current scroll item position is 7, then 1 (second page) will be returned |
| getRoot() | jQuery | Get the upper-level node of the scroll item. |
| getSize() | number | Returns the size of the scroll item quantity. This method is equivalent to getConf().size |
| ##getVisibleItems() | jQuery | Get a list of currently visible scroll items, which is a jquery object. The number of visible scroll items is defined by the size attribute of the configuration object. |
| reload() | API | ##scrollable supports the function of dynamically adding and removing scroll items. After dynamically adding or removing scroll items, call this method to automatically update information about paging navigation and scroll item movement. |
| prev() | API | Jump to this The previous item of the scroll item (if the scroll item is not the first scroll item) |
| next() | API | Jump to the next item of the scroll item (if the scroll item is not the last scroll item) |
| seekTo(index) | API | Jump to the scroll item at the specified index. |
| move(offset) | API | will be at the current The position of the scroll item in the state (activated) is moved forward/backward by the offset of the current scroll item.If Offset is positive, the scroll item moves to the right/down, otherwise, it moves to the left/up. For example: move(2), the index of the scroll item in the current state is transferred from the i scroll item to the i+2 scroll item. |
| prevPage() | API | Jump to previous One page (if it is not the first page). |
| nextPage() | API | Jump to next One page (if it is not the last page). |
| setPage(index) | API | Jump to Page index. For example, index=2, then it will jump from the current page to page 3. |
| movePage(offset) | API | is used to move The position of the displayed page is switched from the current page to this page/next offset page. Other explanations of this method are similar to (offset). |
| begin() | API | Jump to page A scroll item, equivalent to seekTo(0). |
| end() | API | Jump to the end A scroll item. |
| click(index) | API | Make the indexth scroll item selected (activated). |
| ## | ## | |
| API | See the # of the configuration object | ##onBeforeSeek related instructions |
| API | See the onSeek related instructions of the configuration object |
prev()## in the above method table #Method The following methods, in addition to the parameters carried in the table, also contain two implicit parameters: speed and callback. The speed parameter is used to control the duration of the animation effect of the scroll item, and callback is its callback method. For specific implementation, please refer to scrollable's prev() method usage example. Specific usage:
var scrollable=$("p.scrollable").scrollable();
//alert(scrollable.getConf().prev);//獲取配置對象中的prev屬性
scrollable.getConf().speed=200;//設置配置對象的speed屬性
//alert(scrollable.getIndex());//獲取當前滾動項的索引
//alert(scrollable.getItems().length);//獲取當前滾動項的數(shù)量
//alert(scrollable.getItemWrap().html());//獲取包含滾動項的節(jié)點(class=scrollable)，并將所有滾動項顯示出來
//alert(scrollable.getPageAmount());//獲取當前滾動欄分頁數(shù)
//alert(scrollable.getPageIndex());//獲取當前所在分頁
//alert(scrollable.getRoot().html());//獲取滾動項的上一級節(jié)點（id=thumbs）
//alert(scrollable.getSize());
//alert(scrollable.getVisibleItems().length);//獲取當前可見滾動項數(shù)量
scrollable.next();//如果有下一個滾動項，則跳轉到下一個滾動項
scrollable.prev(3000,function(){return true});//跳轉到前一滾動項
//var seekTo= scrollable.click(0).seekTo(2,1000,function(){
//alert(this.getIndex());
//});
//scrollable.move(2);
//scrollable.prevPage();//跳轉到前一頁
//scrollable.nextPage();//跳轉到下一頁
//scrollable.setPage(1);//跳轉到下一頁
//scrollable.begin();//跳轉到第一個滾動項
//scrollable.end();//跳轉到最后一個滾動項
scrollable.click(3);//使第四個滾動項處于選中狀態(tài)
scrollable.onBeforeSeek(function(){
alert("you click the "+this.getIndex()+"st scrollable item!");
});
$("#remove").click(function(){
scrollable.getItems().filter(":last").remove();//刪除最后一個滾動項
scrollable.reload().prev();//自動更新相關配置信息，并跳轉到被刪除滾動項的前一項
});In addition, if your form page needs to adapt to the screen and be resized so that the form page does not deviate, you can use scrollable.seekTo(index)
to solve.
Related recommendations:
jquery tools series scrollable (2)_jquery
Step by step analysis of the use of ScrollableGridPlugin.js (fixed header) plug-in in jQuery_jquery
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