[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fwE_bAfyioVxbQlFfvb0NZi2UlirNkMrfHi1D--bCsVc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":26,"type":51},[],"2023-06-27 16:14:44",85687626,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},7,"4ee99d6ec523e5da438e7fd06893a2be","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","JavaScript高级技术","work_25847216","章节2作业","请阅读下面代码,并填空:var tmp1 = 0, tmp2 = 1, tmp3 = 20, tmp4 = 30;var be = (tmp3 || tmp1++) && (tmp2--&&tmp4++);console.log('be = '+be);console.log('tmp1 = '+tmp1);console.log('tmp2 = '+tmp2);console.log('tmp3 = '+tmp3);console.log('tmp4 = '+tmp4);输出:be = __tmp1 = __tmp2 = __tmp3 = __tmp4 = __",[17,28,37,46,52,57,60],{"answer":18,"createTime":5,"id":19,"options":20,"question":25,"source":26,"type":27},[],85687621,[21,22,23,24],"_Good$Luck_","Good Luck","Good+Luck","1GoodLuck","以下变量命名正确的选项是","v1",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],85687622,[32,33,34,35],"number, undefined, string, boolean, object","float, string, number, undefined, undefined","number, number, string, undefined, object","float, number, string, boolean, undefined","下述代码的输出结果是什么:console.log(typeof(100.1)+', '+typeof(NaN)+', '+typeof('10')+', '+typeof(TRUE)+', '+typeof(null))",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":26,"type":27},[],85687623,[41,42,43,44],"if(条件表达式){代码块1}else{代码块1}","while(条件表达式){代码块1}","do{代码块}while(条件表达式)","for (初始化表达式;结束表达式;迭代表达式){代码块}","以下哪一选项不是循环结构语句",{"answer":47,"createTime":5,"id":48,"options":49,"question":50,"source":26,"type":51},[],85687624,[],"下述代码的输出结果是什么:var tmp_var1, tmp_var2 = null;console.log((tmp_var1+3)+", "+(tmp_var2+3)+", "+ (tmp_var1+'好运')+", "+("20"+23));输出结果:__, __, __, __",2,{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":26,"type":51},[],85687625,[],"请将下述空格处值填上:代码段:var num = 2023;var res1 = -- num;var year = 2023;var res2 = year++;console.log("num的值是:"+num);console.log("year的值是:"+year);console.log("res1的值是:"+res1);console.log("res2的值是:"+res2);输出结果:num的值是:_____year的值是:_____res1的值是:_____res2的值是:_____",{"answer":58,"createTime":5,"id":6,"options":59,"question":15,"source":26,"type":51},[],[],{"answer":61,"createTime":5,"id":62,"options":63,"question":66,"source":26,"type":67},[],85687627,[64,65],"正确","错误","console.log(1024 ==="10"+24)的输出结果为true",3]