iframe自适应高度

 // iframe自适应高度
     $(window).bind("load resize", function() {
        topOffset = 50;
        width = (this.window.innerWidth > 0) ? this.window.innerWidth : this.screen.width;
        height = ((this.window.innerHeight > 0) ? this.window.innerHeight : this.screen.height) - 1;
        height = height - topOffset;
        if (height < 1) height = 1;
        if (height > topOffset) {
            //这里改为iframe的ID
            var ifm= document.getElementById("scenterFrame");
              ifm.height=height-15 +'px';
          
        }
    });