Mở trình duyệt của bạn và chạy file . Nhập bắt đầu và số kết thúc trong các hộp văn bản và kích vào nút Change. Tính sẽ bắt đầu từ giá trị bắt đầu cho đến khi giá trị cuối cùng. Vì nó là không thể hiển thị hình ảnh hoạt hình, ảnh chụp màn hình sau đây chụp quá trình ở giữa. Cũng cố gắng thay đổi giá trị bước để đếm nhanh hay chậm sẽ xảy ra: | Simpo PDF Merge and Split Unregistered Version - http Enhancing your Site with PHP and jQuery-------------------------------------- if start .val end .val var startVal start .val var endVal end .val container .cashCounter start startVal end endVal step .2 else container .html Please enter start and end values. script 4. Open your browser and run the file. Enter the Start and End numbers in the textboxes and click on the Change button. The counting will start from the start value until the end value. Since it is not possible to show the animated image the following screenshot captures the process in between. Also try changing the step value to see how fast or slow the counting happens Simpo PDF Merge and Split Unregistered Version - http -----------------------------------------------------------------------------------Chapter 9 How it works. The cashCounter plugin will accept three parameters while initializing it. start end and step. While start and end values are obvious step will be used to determine how fast the counting runs. Its value can vary from to with being the fastest speed. A jQuery plugin begins by extending the object. We want to name our plugin cashcounter so we wrap it in the following function options All of the plugin code will go inside this block. Next is the return function line. It ensures that a jQuery object is returned to the calling function. This will help maintain the chaining of elements as supported by jQuery. Next is the settings object that defines the default values for a plugin if they are not supplied. In case these values are supplied we extend these by merging the user provided options object with the default settings. By default both start and end have a zero value and the value for step is 5. With all the settings in place we can now write the functionality. If start or end values are not numbers or if start is equal to end we .
