diff --git "a/\346\236\227\350\267\203\345\275\254" "b/\346\236\227\350\267\203\345\275\254" deleted file mode 160000 index 950687b2d020a1ff2f844b606511a0d4d53135f1..0000000000000000000000000000000000000000 --- "a/\346\236\227\350\267\203\345\275\254" +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 950687b2d020a1ff2f844b606511a0d4d53135f1 diff --git "a/\346\236\227\350\267\203\345\275\2541922020613/.gitignore" "b/\346\236\227\350\267\203\345\275\2541922020613/.gitignore" new file mode 100644 index 0000000000000000000000000000000000000000..0511e2b51f0d42d1dff69f4ed5df03c6649ca356 --- /dev/null +++ "b/\346\236\227\350\267\203\345\275\2541922020613/.gitignore" @@ -0,0 +1,5 @@ +.vscode/* +!.vscode/settings.json +!.vscode/tasks.json +!.vscode/launch.json +!.vscode/extensions.json diff --git "a/\346\236\227\350\267\203\345\275\2541922020613/1.html" "b/\346\236\227\350\267\203\345\275\2541922020613/1.html" new file mode 100644 index 0000000000000000000000000000000000000000..95d2adc2fd238d1ee8325c9a524068f236cd6e6f --- /dev/null +++ "b/\346\236\227\350\267\203\345\275\2541922020613/1.html" @@ -0,0 +1,34 @@ + + + + + + Document + + + + + + +
+ 请选择想要学习的编程语言: +
+

反选

+

+

+

+

+

+

+
+
+ + + \ No newline at end of file diff --git "a/\346\236\227\350\267\203\345\275\2541922020613/README.md" "b/\346\236\227\350\267\203\345\275\2541922020613/README.md" new file mode 100644 index 0000000000000000000000000000000000000000..47a920c9bc210b4ecb8af395356cd9627116e909 --- /dev/null +++ "b/\346\236\227\350\267\203\345\275\2541922020613/README.md" @@ -0,0 +1,26 @@ +# 19级大二第一学期期末考试-JavaScript-软件班-考题 + +**注意事项及要求:** +1. 本次考试由git仓库提交,请勿直接使用当前的试卷,应该复制一份到自己的文件夹,再行修改,否则将导致试卷无效; +2. 题目全部都在js文件当中; +3. 每题直接均在js题目下完成,并完成输出到控制台,注意不要报错; +4. 试卷满分100分,考试时间2个小时,请注意把握时间; +5. 请填写学号和姓名,否则答卷无效; + + + + + +##

学号:  1922020613       考生姓名:  林跃彬      

+ + +## 评分标准 + +| 序 号 | 步骤列表 | 步骤描述 | 分数 | +| :--:|:--:|:--:|:--:| +|1| 网页文档结构及引入| 使用VSCode创建index网页,并引入js.js、jQuery库(均有教师提供,其中题目在js.js中)| 5 | +2 | 1至15 | 按要求完成每题要求,每题4分 | 60 | +3 | 题目16 | | 5| +4 | 题目17 | | 10| +5 | 题目18 | | 20 | + diff --git "a/\346\236\227\350\267\203\345\275\2541922020613/js/jquery-3.5.1.min.js" "b/\346\236\227\350\267\203\345\275\2541922020613/js/jquery-3.5.1.min.js" new file mode 100644 index 0000000000000000000000000000000000000000..b0614034ad3a95e4ae9f53c2b015eeb3e8d68bde --- /dev/null +++ "b/\346\236\227\350\267\203\345\275\2541922020613/js/jquery-3.5.1.min.js" @@ -0,0 +1,2 @@ +/*! jQuery v3.5.1 | (c) JS Foundation and other contributors | jquery.org/license */ +!function(e,t){"use strict";"object"==typeof module&&"object"==typeof module.exports?module.exports=e.document?t(e,!0):function(e){if(!e.document)throw new Error("jQuery requires a window with a document");return t(e)}:t(e)}("undefined"!=typeof window?window:this,function(C,e){"use strict";var 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+ } + } + console.log(indexOf([1, 2, 3, 4], 3)); + +/* +2、题目描述 +计算给定数组 arr 中所有元素的总和 +输入描述: +数组中的元素均为 Number 类型 +示例1 +输入 + +[ 1, 2, 3, 4 ] +输出 + +10 + +function sum(arr) { + +} +*/ +console.log('不会'); +/* +3、题目描述 +移除数组 arr 中的所有值与 item 相等的元素。不要直接修改数组 arr,结果返回新的数组 +示例1 +输入 + +[1, 2, 3, 4, 2], 2 +输出 + +[1, 3, 4] + +function remove(arr, item) { + +} +*/ +let ac = ([1, 2, 3, 4, 2], 2); + + + +function remove(ac,item){ + var a = []; + for(var i=0;i=0;i--){ + if(acd[i]==item){ + acd.splice(i,1); + } + } + return acd; +} + +console.log(removeWithoutCopy([1, 2, 2, 3, 4, 2, 2], 2)); +/* +5、题目描述 +在数组 arr 末尾添加元素 item。不要直接修改数组 arr,结果返回新的数组 +示例1 +输入 + +[1, 2, 3, 4], 10 +输出 + +[1, 2, 3, 4, 10] + +function append(arr, item) { + +} +*/ +console.log('第五题不会'); +/* +6、题目描述 +删除数组 arr 最后一个元素。不要直接修改数组 arr,结果返回新的数组 +示例1 +输入 + +[1, 2, 3, 4] +输出 + +[1, 2, 3] + +function truncate(arr) { + +} +*/ + +function truncate(at){ + var aa = at.concat(); + aa.pop(); + return aa; + } + + console.log(truncate([1,2,3,4])); +/* +7、题目描述 +在数组 arr 开头添加元素 item。不要直接修改数组 arr,结果返回新的数组 +示例1 +输入 + +[1, 2, 3, 4], 10 +输出 + +[10, 1, 2, 3, 4] + +function prepend(arr, item) { + +} +*/ +function prepend(we,item){ + var so = we.join().split(','); + so.unshift(item); + return so; + } + console.log(prepend([1, 2, 3, 4], 10)); +/* +8、题目描述 +删除数组 arr 第一个元素。不要直接修改数组 arr,结果返回新的数组 +示例1 +输入 + +[1, 2, 3, 4] +输出 + +[2, 3, 4] + +function curtail(arr) { + +} +*/ +function ao1 (aooo){ + var a11 = aooo.slice(0); + a11.shift(); + return a11; + } + console.log(ao1([1,2,3,4])); + +/* +9、题目描述 +合并数组 arr1 和数组 arr2。不要直接修改数组 arr,结果返回新的数组 +示例1 +输入 + +[1, 2, 3, 4], ['a', 'b', 'c', 1] +输出 + +[1, 2, 3, 4, 'a', 'b', 'c', 1] + +function concat(arr1, arr2) { + +} +*/ +function concat(arr1,arr2){ + var ao21 = arr1.slice(0); + var ao22 = arr2.slice(0); + + return ao21.concat(ao22); + } + console.log(concat([1,2,3,4],['a', 'b', 'c', 1])); +/* +10、题目描述 +在数组 arr 的 index 处添加元素 item。不要直接修改数组 arr,结果返回新的数组 +示例1 +输入 + +[1, 2, 3, 4], 'z', 2 +输出 + +[1, 2, 'z', 3, 4] + +function insert(arr, item, index) { + +} +*/ +function insert(arr10,item,index){ + var arr1 = arr10.slice(0); + arr1.splice(index,0,item); + return arr1; + } + console.log(insert([1,2,3,4],'z',2)); + +/* +11、题目描述 +统计数组 arr 中值等于 item 的元素出现的次数 +示例1 +输入 + +[1, 2, 4, 4, 3, 4, 3], 4 +输出 + +3 + +function count(arr, item) { + +} +*/ +function count(arr11,item){ + var v11= 0; + arr11.forEach(function(arrItem){ + if(item == arrItem){ + v11 ++; + } + }) + return v11; + } + + console.log(count([1, 2, 4, 4, 3, 4, 3], 4)); + +/* +12、题目描述 +找出数组 arr 中重复出现过的元素 +示例1 +输入 + +[1, 2, 4, 4, 3, 3, 1, 5, 3] +输出 + +[1, 3, 4] + +function duplicates(arr) { + +} +*/ +console.log('十二不会'); +/* +13、题目描述 +为数组 arr 中的每个元素求二次方。不要直接修改数组 arr,结果返回新的数组 +示例1 +输入 + +[1, 2, 3, 4] +输出 + +[1, 4, 9, 16] + +function square(arr) { + +} +*/ + +function square(arr) { + var arr133 = arr.slice(0); + arr133.forEach(function(item,idenx){ + arr133[idenx] = item * item; + }) + return arr133; + } + + console.log(square([1,2,3,4])); +/* +14、题目描述 +在数组 arr 中,查找值与 item 相等的元素出现的所有位置 +示例1 +输入 + +['a','b','c','d','e','f','a','b','c'] 'a' +输出 + +[0, 6] + +function findAllOccurrences(arr, target) { + +} +*/ +function findAllOccurrences(arr14,item){ + var findAllOccurrences = []; + for(var i=0;i +
    +
  • JavaScript
  • +
  • Swift
  • +
  • HTML
  • +
  • ANSI C
  • +
  • CSS
  • +
  • DirectX
  • +
+ +针对以上文档结构,请把与Web开发技术不相关的节点删掉: + +注意!!请分别使用原生JS和jQuery两种试实现!!!!! + +*/ + +var parent = document.getElementById('test-list'); +parent.removeChild(parent.children[1]); +parent.removeChild(parent.children[2]) +parent.removeChild(parent.children[3]) +/* +18、题目描述 + +对如下的Form表单: + + +
+ 请选择想要学习的编程语言: +
+

反选

+

+

+

+

+

+

+
+
+ +要求: +绑定合适的事件处理函数,实现以下逻辑: + +当用户勾上“全选”时,自动选中所有语言,并把“全选”变成“全不选”; + +当用户去掉“全不选”时,自动不选中所有语言; + +当用户点击“反选”时,自动把所有语言状态反转(选中的变为未选,未选的变为选中); + +当用户把所有语言都手动勾上时,“全选”被自动勾上,并变为“全不选”; + +当用户手动去掉选中至少一种语言时,“全不选”自动被去掉选中,并变为“全选”。 + + +*/ +$(function(){ + var + form = $('#test-form'), + langs = form.find('[name=lang]'), + selectAll = form.find('label.selectAll :checkbox'), + selectAllLabel = form.find('label.selectAll span.selectAll'), + deselectAllLabel = form.find('label.selectAll span.deselectAll'), + invertSelect = form.find('a.invertSelect'); + + // 重置初始化状态: + form.find('*').show().off(); + form.find(':checkbox').prop('checked', false).off(); + deselectAllLabel.hide(); + // 拦截form提交事件: + form.off().submit(function (e) { + e.preventDefault(); + alert(form.serialize()); + }); + + selectAll.change(function(){ + if(this.checked){ + langs.prop('checked',true); + deselectAllLabel.show(); + selectAllLabel.hide(); + }else{ + langs.prop('checked',false); + deselectAllLabel.hide(); + selectAllLabel.show(); + } + }) + + invertSelect.click(function(){ + langs.each(function(){ + if(this.checked){ + $(this).prop('checked',false); + }else{ + this.checked = true; + } + }) + }) + + //alert(langs.length); + var count = 0, + len = langs.length; + langs.click(function(){ + count = 0; + langs.each(function(){ + if(this.checked) + count++; + }) + if(count == len){ + selectAll.prop('checked',true); + deselectAllLabel.show(); + selectAllLabel.hide(); + }else{ + selectAllLabel.show(); + deselectAllLabel.hide(); + selectAll.prop('checked',false); + } + }) + }) \ No newline at end of file