继续教育学习脚本

/*

本脚本运行于浏览器conlose中，自动点击“继续学习”按钮，以实现阻止视频的暂停

*/

(function(){
    var getStyle=function(obj,styleName){
        if(obj.style){
            return obj.style[styleName];
        }else if(obj.currentStyle){
            return obj.currentStyle[styleName];
        }else if(window.getComputedStyle(obj)){
            return window.getComputedStyle(obj)[styleName];
        }else{
            return null;
        }
    };
    var mask=document.getElementById('courseframe').contentWindow.document.getElementsByClassName('mask')[0];
    var th = document.getElementById('courseframe').contentWindow.document.getElementsByClassName('th')[1].children[0];
    var timer,i=1;
    timer = setInterval(function(){
        if(mask && getStyle(mask,'display') === 'block'){
            mask.lastElementChild.lastElementChild.click();
            if(th){th.innerText = i++;}
        }
    },500);
})();