[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fyZM6_jqkZiPPgyVW2On2U7ab8bv7pvSR140Ijd73tgs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":28,"type":29},[],"2023-06-24 18:14:15",80313516,[8,9,10,11],"implode","explode","str_repeat","str_pad",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},75,"42afe690976ea61182ebacd2224e4d8e","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","WEB技术与应用（二）网站建设（上机）","work_27971156","单元练习2","下列哪个函数可以将数组中各个元素连接成字符串",[21,30,39,48,57,63,72,81,90,99],{"answer":22,"createTime":5,"id":23,"options":24,"question":27,"source":28,"type":29},[],80313507,[25,25,26,25],"","&","如果函数带有多个参数,则参数之间必须用以下哪个符号分开","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":38,"source":28,"type":29},[],80313508,[34,35,36,37],"continue","break","exit","return","如果要从函数返回值,必须使用下列哪个关键词",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":28,"type":29},[],80313509,[43,44,45,46],"函数具有重复使用性","函数的命名规则和变量的命名规则相同,必须以$作为函数名的开头","函数可以没有输入和输出","如果把函数定义写在条件语句中,那么必须当条件表达式成立时,才能调用该函数","下列关于函数的说法,哪一项是错误的",{"answer":49,"createTime":5,"id":50,"options":51,"question":56,"source":28,"type":29},[],80313510,[52,53,54,55],"public","var","static","global","如果要在函数内定义函数外也可访问的变量,必须使用下列哪个关键词",{"answer":58,"createTime":5,"id":59,"options":60,"question":62,"source":28,"type":29},[],80313511,[61,53,54,55],"private","如果想保留函数内局部变量的值,必须使用下列哪个关键词",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":28,"type":29},[],80313512,[67,68,69,70],"ceil","floor","round","abs","下列哪个函数可以用来取得四舍五入的值",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":28,"type":29},[],80313513,[76,77,78,79],"sqrt","pow","exp","rand","下列哪个函数可以用来取得次方值",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":28,"type":29},[],80313514,[85,86,87,88],"getdate","gettime","mktime","time","下列哪个函数可以用来取得当前的时间信息",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":28,"type":29},[],80313515,[94,95,96,97],"chr","ord","strstr","strrev","下列哪个函数可以将字符串逆序排列",{"answer":100,"createTime":5,"id":6,"options":101,"question":19,"source":28,"type":29},[],[8,9,10,11]]