[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fcS0cvONIzPF8QwZ_FreoeD9Q2bItKY8RME61BsWyRJw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-05-29 11:42:07",34397687,[8,9,10,11],"2","3","4","5",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},19,"afc53f02bfa0c5bf3046e80fb5399334","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbd4ceb085e7fb614315a0999b89440b7.jpg","Web前端技术","cdaf2086f9d44ed2b57b5978dcfebb57","项目五 选择题","在JavaScript中,事件处理的过程通常分为()步",[21,32,41,50,59,66,75,83,92,95],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],34397679,[25,26,27,28],"<script>","<javascript>","<js>","<scripting>","下列选项中,哪个 HTML 元素中可以放置 Javascript 代码?( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],34397680,[36,37,38,39],"number","string","布尔型","null","每一种计算机语言都有自己支持的数据类型.在JavaScript中,最基本的数据类型是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],34397681,[45,46,47,48],"_bian","bian","bian02","int","下列选项中,不能作为变量名使用的是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],34397682,[54,55,56,57],"+","++","()","==","下列选项中,JavaScript运算符的优先级最高的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":65,"source":30,"type":31},[],34397683,[8,63,64,39],"6","8","认真阅读下面代码,并按要求进行作答.y=2;z=6;x=y+z;在以上语句执行后,x 的值是( )",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":30,"type":31},[],34397684,[70,71,72,73],"12","14","16","18","根据运算符的优先级,表达式z=2*(1+2*3)的运算结果为( )",{"answer":76,"createTime":5,"id":77,"options":78,"question":82,"source":30,"type":31},[],34397685,[79,36,80,81],"11number","11","程序报错","分析下面的JavaScript代码 ,经过运算后m的值为( ).var x=11; var y="number"; var m=x+y",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":30,"type":31},[],34397686,[87,88,89,90],"if =! 5 then","if <>5","if (i <> 5)","if (i != 5)","下列代码中,用于判断当 i 不等于 5 时执行一些语句的条件语句是( )",{"answer":93,"createTime":5,"id":6,"options":94,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":96,"createTime":5,"id":97,"options":98,"question":102,"source":30,"type":31},[],34397688,[99,99,100,101],"<button value ="鼠标响应" onClick=alert("确定")><\u002Fbutton>","<input type="button" value ="鼠标响应" onChange=alert("确定")>","<button value ="鼠标响应" onChange=alert("确定")><\u002Fbutton>","下列JavaScript语句中,能实现单击一个按钮时弹出一个消息框的是()"]