this.el.addEventListener 問題
sideBar.js:8 Uncaught TypeError: Cannot read property 'addEventListener' of null
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sideBar.js:8 Uncaught TypeError: Cannot read property 'addEventListener' of null
2016-08-26
舉報
2016-09-05
(function(){ ??var?SideBar=function(eId,closeId){ ???this.state="opened"; ???this.el=document.getElementById(eId||'sideBar'); ?? ???this.closeBar=document.getElementById(closeId||'closeBar'); ???var?self=this; ???this.el.addEventListener('click',function(event){ ????if?(event.target?!==?self.el){ ??????self.triggerSwitch();????? ????}? ???}); ??}; ??SideBar.prototype.triggerSwitch=function(){ ???if?(this.state==="opened")?{ ????this.close();????? ???? ???}else{ ????this.open(); ???? ???} ??}; ??SideBar.prototype.close=function(){ ???this.state="closed"; ??}; ??SideBar.prototype.open=function(){ ???this.state=="opened"; ??}; ?? ??var?sidebar=new?SideBar(); ?? ?})();2016-08-28
你把所有的都給我，給我一部分我也沒法調
2016-08-27
if (this.state==="opened") {this.close（）;}else{this.open（）;}};
方法要加括號?
2016-08-26
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2016-08-26
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