//二维码长按打点

        (''.img_code'').on({

        touchstart:fun(e){

        cleartimeout(this.loop);

        this.loop=settimeout(fun(){

        cpslog([703,{map:{workwechaturlbg:workwechaturlbg}},''work_qr_code_long_press_chapter'']);

        }.bind(this),500);

        },

        toud:fun(e){

        cleartimeout(this.loop);//清空定时器,防止重复注册定时器

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