function tree(list) {
//todo...
}
let list = [
{
code: '1001',
parentCode: '',
name: '北京'
},
{
code: '10011',
parentCode: '1001',
name: '海淀'
},
{
code: '10012',
parentCode: '1001',
name: '大兴'
},
{
code: '100112',
parentCode: '10011',
name: '五道口'
},
{
code: '1002',
parentCode: '',
name: '上海'
},
{
code: '10022',
parentCode: '1002',
name: '徐汇'
},
{
code: '1003',
parentCode: '',
name: '武汉'
}
]
let newList = tree(list)
console.log(newList)
/*
[
{
code: '1001',
parentCode: '',
name: '北京',
children: [
{
code: '10011',
parentCode: '1001',
name: '海淀',
children: [
{
code: '100112',
parentCode: '10011',
name: '五道口',
children: []
}
]
},
{
code: '10012',
parentCode: '1001',
name: '大兴',
children: []
}
]
},
{
code: '1002',
parentCode: '',
name: '上海',
children: [
{
code: '10022',
parentCode: '1002',
name: '徐汇',
children: []
}
]
},
{
code: '1003',
parentCode: '',
name: '武汉',
children: []
}
]
*/
function $(selector) {
//todo..
}
$.prototype = {
init: function(selector) {
let nodes = document.querySelectorAll(selector)
nodes.forEach((node, index) => this[index] = node)
this.length = nodes.length
},
addClass: function(cls) {
// todo...
}
}
//todo ...
$.get = function(url, data) {
function done() {
//todo...
}
function fail() {
//todo...
}
function always() {
//todo...
}
return { done, fail, always }
}
$('p').addClass('ok')
$.get('http://api.jirengu.com/getWeather.php', { city: '北京' })
.done(data => console.log(data))
.fail(()=>console.log('get data error'))