html5 progressbar的用法 HTML5 canvas transform与矩阵 首先,我们看一下w3school上的例子: Javascript语法:context.transform( a , b , c , d , e , f ); 定义与用法:画布上的每个对象都拥有一个当前的变换矩阵。而transform则是用来定义一个新的矩阵,来替换原来的变换矩阵。 六个参数,对应的矩阵就是: 在...
A progress bar can be used to show a user how far along he/she is in a process.Bootstrap provides several types of progress bars.A default progress bar in Bootstrap looks like this:70% Complete To create a default progress bar, add a .progress class to a <div> element:...