[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fen-NxUKdMfTm_QZGSkE6g1lWKJSZ_GMTElImuFIT3yQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-07-06 17:20:45",157624667,[8,9,10,11],"循环嵌套语句只能用于for循环","在JavaScript中允许在do-while循环中嵌套一个其他循环","循环嵌套语句是指一个循环中存在另外一个循环","在JavaScript中允许使用while循环中嵌套一个其他循环",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},48,"0476b5fba097510a61664c3f4fbbf190","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0f1096c58d902b37edc0e7873d9d1c9a.png","Web前端技术","exam_120625848","《Web前端技术》期中测试","下面选项中关于循环嵌套语句的说法不正确的是( )",[21,32,41,44,52,61,70,79,88,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],157624665,[25,26,27,28],"document.write("Hello World!")","respose.write("Hello World!")","console.log("Hello World!")","alert("Hello World!")","向控制台输出字符串"Hello World!"正确的JavaScript语句是()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],157624666,[36,37,38,39],"1","5","3","15","执行代码,sum的结果是() let sum=0;let data = [1,2,3,4,5]; data.forEach(function(value) { sum += value; }); console.log(sum)",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":51,"source":30,"type":31},[],157624668,[48,49,36,50],"0","false","true","以下代码输出的结果是( ) var a=3,b=10; console.log(a>=3 && 5>b)",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":30,"type":31},[],157624669,[56,57,58,59],"函数的参数可以是字符串类型","每个函数必须要带形参","函数参数可分形参和实参","函数是否有参数可根据实际情况确定","关于函数参数,表述错误的是( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":30,"type":31},[],157624670,[65,66,67,68],"f(1)","f(,2)","f(1,2)","f 1 ,2","如果有函数function f(x,y){…},那么以下正确的函数调用是( )",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":30,"type":31},[],157624671,[74,75,76,77],"break只能用在switch语句中","break可以终止本层循环","break可以终止所有的循环","break只能用在循环语句中","以下关于break说法正确的是( )",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":30,"type":31},[],157624672,[83,84,85,86],"number","undefined","string","null","以下JavaScript代码输出的结果是() let a; console.log(typeof a)",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":30,"type":31},[],157624673,[92,93,94,95],"在制作Tab栏效果时可以使用排他操作实现","排他操作的使用步骤为先排除所有元素样式再设置当前元素样式","以上说明都不对","排他思想只能用于制作Tab栏效果","关于JavaScript中的排他操作说法错误的是()",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":30,"type":31},[],157624674,[101,102,103,104],"let a="3";console.log(typeof parseInt(a))","let d="5"-3;console.log(typeof( Number(d)))","let c="3";console.log(typeof parseFloat(c))","console.log('I'm a programmer!')","以下四个选项中,输出的结果不是number的是( )"]