┏数值型━┳━整数型:byte short int long ┏基本数据类型━━┫ ┗━浮点型:float double ┃ ┣字符型:char 数据类型╋ ┗布尔型:boolean ┃ ┏类(class) ┗引用数据类型━━╋接口(interface) ┗数组(array) ...
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编程语言 时间:
2016-09-15 16:29:58
阅读次数:
159
1、数组:连续存储多个数据,一组连续变量的集合; ①创建空数组:var arr=【】;或者var arr=new Array(); ②创建初始化数组:var arr=【值1,值2,……】;或者var arr=new Array(值1,值2,……); ③创建包含n个空元素的数组:var arr=new ...
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编程语言 时间:
2016-09-15 15:08:48
阅读次数:
122
Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],t ...
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其他好文 时间:
2016-09-15 15:05:05
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135
Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maxim ...
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其他好文 时间:
2016-09-15 14:55:01
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142
forEach是Array新方法中最基本的一个,就是遍历,循环。先看以前是怎么遍历数组的 常用遍历 排除null与undefined和不存在元素的遍历 排除undefined和不存在元素的遍历 跳过不存在的元素,如没有值的undefined元素 ECMAScript5中遍历数组元素的新方法,使用fo ...
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编程语言 时间:
2016-09-15 14:53:12
阅读次数:
149
Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may comple ...
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其他好文 时间:
2016-09-15 13:44:57
阅读次数:
137
Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [-2,1,-3,4,-1,2, ...
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其他好文 时间:
2016-09-15 13:40:32
阅读次数:
120
Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have ex ...
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其他好文 时间:
2016-09-15 13:36:41
阅读次数:
105
Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the ...
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其他好文 时间:
2016-09-15 12:22:53
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144
var list = new Array()是我们在js中常常写到的代码,今天就总结哈Array的对象具有哪些方法。 list[0] = 0; list[1] = 1; list[2] = 2; 或者这样声明:var list = [0,1,2] 1 shift()t:删除数组的第一个元素,返回删除 ...
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编程语言 时间:
2016-09-15 11:02:49
阅读次数:
151