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  • JavaScript+html 利用canvas 呈现出波浪的效果

    效果预览canvas封装的函数canvas.jsfunctioncurve(name,num,height,heaved,hz,reveal,start){//id名和曲线数量,端点高低,起伏差,起伏频率,填充色this.name=name;if((num&1)!=0)num--;this.num=num;this.height=height;this.heaved=heaved;this.max…