var arr1 = [{
'name': 'aa',
'age': 20
},
{
'name': 'cc',
'age': 19
},
{
'name': 'dccc',
'age': 25
},
{
'name': 'ba',
'age': 21
},
]
function compare(property) {
return function (a, b) {
return a[property] > b[property] ? 1 : -1
}
}
//排序建议用数字
//字符串只匹配第一个排序 toUpperCase() 通常使用这个是大写
// toLowerCase() 小写 只看第一位 排序 后面 不管的
//function (a, b) {
// return a[property] > b[property] ? 1 : -1
//}
console.log(arr1.sort(compare('age')))
0: {name: "cc", age: 19}
1: {name: "aa", age: 20}
2: {name: "ba", age: 21}
3: {name: "dccc", age: 25}
console.log(arr1.sort(compare('name')))
0: {name: "aa", age: 20}
1: {name: "ba", age: 21}
2: {name: "cz", age: 19}
3: {name: "da", age: 25}
var arrString = 'sdsadasdsa';
sum = arrString.split('').reduce(function(res, cur) { console.log(res,cur);res[cur] ? res[cur] ++ : res[cur] = 1; return res; }, {})
getDate () { // 年月获取
let arr = []
let date = new Date()
let m = date.getMonth() + 1
let y = date.getFullYear()
for(let i = 0; i <= 4; i++){
if(m===0){
m = 12
y--
}
arr.unshift(y +'.'+m--)
}
return arr
},
if (!Number.isNaN(b[data.pagination.sortBy] - 0)) {
return b[data.pagination.sortBy] - a[data.pagination.sortBy] > 0 ? 1 : -1;
} else {
return b[data.pagination.sortBy].slice(0, 1) > a[data.pagination.sortBy].slice(0, 1) ? 1 : -1;
}