09 2017 档案
摘要：javascript function fn(arr) { return arr.reduce(function(prev,next){return prev
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摘要：Given an n x n array, return the array elements arranged from outermost elements to the middle element, traveling clockwise. my answer forEach() 方法用于调
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摘要：```javascript console.log(noRepeat([ 2, 1, 3, 4, 1, 2, 1, 5, 4])); //[4, 2, 1, 1, 2, 3, 5] console.log(noRepeat([ 14, 10, 13, 4, 21, 2, 1, 5, 4])); //
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摘要：Eaxmple my answer javascript function minSecond(n) { var second_ = Math.floor(n%60); if (second_
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摘要：var a = document.getElementById("a"); 想获得left值 当css样式是内联的时候，JavaScript可以获得 a.style.left、a.offsetLeft 当css样式是外联的时候，JavaScript无法获得 a.style.left，只能获得 a.o
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摘要：bootstrap的轮播图代码直接用不修改的话， 容易出现以下情况： 很多人的解决办法就是把图片宽度设置为100%，但如果仅仅只是将图片设置为100%，则容易出现如下情况，整个轮播图填充了大部分页面，有时候这并不是我们想要的效果 解决办法就是先让为整个轮播块添加居中属性：class=‘contain
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摘要：You are NOT allowed to use any temporary arrays or objects. You are also not allowed to use any or methods. my answer JavaScript function removeZeros(
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摘要：Description: Write an algorithm that takes an array and moves all of the zeros to the end, preserving the order of the other elements. my answer： java
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摘要：Complete the function/method so that it takes CamelCase string and returns the string in snake_case notation. Lowercase characters can be numbers. If
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摘要：Complete the method/function so that it converts dash/underscore delimited words into camel casing. The first word within the output should be capital
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摘要：如果我们想创建一个函数实例（传入参数为数组），为其原型对象添加我们自定义的方法，实现两个数组对象对应的项进行相加、相减等。那我们应该怎么做呢？ 我们想得到如下的效果： my answer： javascript var Vector = function (components) { this.va
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摘要：Description: Write a function that when given a URL as a string, parses out just the domain name and returns it as a string. For example: 使用正则解决该问题比较方
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摘要：Description: Write a function called that takes a string of parentheses, and determines if the order of the parentheses is valid. should return true i
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摘要：用js实现多个目标移动，当鼠标移上去的时候改变宽度，鼠标移出去的时候变回原来宽度。
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摘要：Description: My friend John and I are members of the "Fat to Fit Club (FFC)". John is worried because each month a list with the weights of members is
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摘要：my answer 使用正则表达式： 空格也可以换成\s表示
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摘要：Description: Move the first letter of each word to the end of it, then add 'ay' to the end of the word. my answer：使用正则 other answer：
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摘要：Description: The number' '89' 'is the first integer with more than one digit that fulfills the property partially introduced in the title of this kata
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