var myData = [
{"Identifier":1,"Naam":"Van Der Valk","Adres":"Europaweg 218","Postcode":"1238AC","Plaats":"Zoetermeer","Longitude":"4.48822","Latitude":"52.06258", "Status":"Laadpunten Beschikbaar", "lunch":"true", "diner":"true", "meet":"true", "wifi":"true", "Distance": "10.1"},
{"Identifier":2,"Naam":"Meram place","Adres":"NOT Given 1","Postcode":"0000LL","Plaats":"Rotterdam","Longitude":"4.48178","Latitude":"51.92422", "lunch":"false", "Distance": "181"},
{"Identifier":3,"Naam":"Station Zwolle","Adres":"NOT Given 6","Postcode":"0000LL","Plaats":"Zwolle","Longitude":"6.08302","Latitude":"52.51677", "lunch":"false", "Distance": "5.1"},
{"Identifier":4,"Naam":"Pompstation Shell","Adres":"NOT Given 1","Postcode":"0000LL","Plaats":"Den Haag","Longitude":"4.30070","Latitude":"52.07050", "lunch":"false"},
{"Identifier":5,"Naam":"Amsterdam Arena","Adres":"NOT Given 218","Postcode":"0000LL","Plaats":"Amsterdam","Longitude":"4.89517","Latitude":"52.37022", "lunch":"true", "diner":"true", "wifi":"true", "meet":"true", "Distance": "34.2"}
];
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我有一个问题,给定我有上面的json ..,我想将此附加到列表中,即ul li ..怎样才能使列表以距离最小的列表排序等等。
初学者来了!
最近偶然发现了一个问题.基本上,程序需要通过其中一个字段对对象数组进行排序,而不实际使用sort函数.我已经使用冒泡排序算法尝试了这个代码,但它似乎没有工作:
var arrayOfPeople = [
{name: "Rick", age: 30, place: 2},
{name: "Alan", age: 25, place: 1},
{name: "Joe", age: 40, place: 4},
{name: "Dave", age: 35, place: 3}
];
function bubbleSort(a,par)
{
var swapped;
do {
swapped = false;
for (var i = 0; i < a.length - 1; i++) {
if (a[i].par > a[i + 1].par) {
var temp = a[i];
a[i] = a[i + 1];
a[i + 1] = temp;
swapped = true;
}
}
} …Run Code Online (Sandbox Code Playgroud) 我有一个这样的对象数组:
var a = [
{ id: 1, score: 1, isCut: false, dnf: false },
{ id: 2, score: 2, isCut: false, dnf: false },
{ id: 3, score: 3, isCut: false, dnf: false },
{ id: 4, score: 4, isCut: false, dnf: false },
{ id: 5, score: 5, isCut: true, dnf: true },
{ id: 6, score: 6, isCut: true, dnf: false },
{ id: 7, score: 7, isCut: true, dnf: false },
{ id: 8, score: 8, …Run Code Online (Sandbox Code Playgroud) 我正在尝试根据标题中遇到的第一个数字对数组进行排序.
我的尝试是用''替换非数字字符(title.replace(/\D/g,'').它给了我数字,但我不确定如何从这一点对数组进行排序.
因此,test0首先是test1,test2和test3.
model = [
{
"title": "test3"
},
{
"title": "test1"
},
{
"title": "test2"
},
{
"title": "test0"
}
];
Run Code Online (Sandbox Code Playgroud) 假设我有一个记录数组:[{a:0,b:0},{a:2,b:1},{a:1,b:2}]
我希望按照a每个记录中字段的降序排序,并将排序的记录作为一个新数组(即新数组[{a:2,b:1},{a:1,b:2},{a:0,b:0}])进行警告- 我将如何解决这个问题?我尝试了一些方法,但是我正撞在墙上.
谢谢
我想迭代一个对象数组,以获得最老的人和最年轻的人.我怎么能得到那个?它看起来像一个简单的任务,但我无法通过简单的每个循环来获得年龄.有任何想法吗?
var p = [
{ name : "Billy", age : 5 },
{ name : "Lucy", age : 31 },
{ name : "Jonny", age : 11 },
{ name : "Wolfgang", age : 78 },
{ name : "Robert", age : 23 }
];
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我已经看到了这个,但它没有帮助我理解这个问题.
我想找出数组中保存键的最小值的对象。
var tempArr = [{name: 'john', age: 23}, {name: 'jonny', age: 27}, {name: 'roony', age: 13}, {name: 'david', age: 33}];
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我想要的结果是
{name: 'roony', age: 13}
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在不使用 for 循环的情况下,有没有直接的方法可以找出结果,就像我们可以对普通数组所做的那样
例如:如果数组是 -
var arr = [11,4,22,3,5,55];
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我们可以通过以下方式实现同样的目标:
Math.min.apply(null, arr)
Run Code Online (Sandbox Code Playgroud) 这个问题涉及我的算法以及它为什么不起作用.更具体地说,我想知道如何改进它来做我想做的事情.这就是为什么它与建议的重复问题不同.
我试图创建一个函数,根据它们共同共享的属性值(int)"indexFound"对对象数组进行排序.正如您可能怀疑的那样,我正在尝试在数组的开头放置具有较低indexFound的元素.
function organizeTokens(list) {
for (i = 0; i < list.length - 1; i++) {
if (list[i].indexFound < list[i + 1].indexFound) {
// do nothing
} else if (list[i].indexFound > list[i + 1].indexFound) {
var tempVal = list[i];
list[i] = list[i + 1];
list[i + 1] = tempVal;
} else {
// should not happen unless we are comparing the same token
}
}
};
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按照目前的情况,当我提供一个对象数组时,这段代码没有任何区别.元素仍然不是它们应该的顺序.我是以正确的方式接近这个吗?我错过了一些明显的东西吗
编辑:------------------------------------------------ -------------------
示例输入:organizeTokens([{value:"if",indexFound:7},{value:"a",indexFound:0}])
预期输出:[{value:"a",indexFound:0},{value:"if",indexFound:7}]
实际输出:[{value:"if",indexFound:7},{value:"a",indexFound:0}]
var arr = [
{ 'name': 'ashley', 'score': 5 },
{ 'name': 'jason', 'score': 9 },
{ 'name': 'ben', 'score': 1 },
{ 'name': 'jordan', 'score': 4 },
]
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如何重新排序该数组以使结果分数降序排列?
我有一个像这样的对象数组:-
var arr = [ {total : 20, name: David},
{total : 10, name: Joe},
{total : 15, name: Tracy},
{total : 20, name: Joel},
{total : 15, name: Michael},
{total : 10, name: Arnold},
{total : 15, name: Paul},
]
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我需要先按总数对它们进行排序,然后如果两个总数相同,我需要按名称对它们进行排序
排序后我的预期结果应如下所示:
var arr = [ {total : 20, name: David},
{total : 20, name: Joel},
{total : 15, name: Michael},
{total : 15, name: Paul},
{total : 15, name: Tracy},
{total : …Run Code Online (Sandbox Code Playgroud)