ObjectMap Not directly iterableDirectly iterable Do not have a size propertyHave a size property Keys must be Strings (or Symbols)Keys can be any datatype Keys are not well orderedKeys are ordered by insertion Have default keysDo not have default keys ...
AI代码解释 // 使用 Map ,根据颜色找出对应的水果 const fruitColor = new Map() .set('red', ['apple', 'strawberry']) .set('yellow', ['banana', 'pineapple']) .set('purple', ['grape', 'plum']);functiontest(color){returnfruitColor.get(color)||[];} Map 是 ES2015(ES6) 引入的新...
(this)},get:function(e){return null==e?s.call(this):e<0?this[e+this.length]:this[e]},pushStack:function(e){var t=S.merge(this.constructor(),e);return t.prevObject=this,t},each:function(e){return S.each(this,e)},map:function(n){return this.pushStack(S.map(this,function(e,t...
MapView|SceneView The view associated with the UI components. UI width Number The width of the UI container. UI Property Details components Property components String[] An array of strings representing the default widgets visible when a MapView or SceneView is created. The default widgets diff...
map 对数组每一项运行给定函数,返回每次函数调用返回结果组成的数组 // 归并方法 reduce和reduceRight(和前者遍历的方向相反),构建一个最终返回的值 reduce(fn(prev,cur,index,array){ return ... },initValue) 1.fn返回的值会作为第一个参数传递给下一项 2.initValue做为归并基础的初始值 2.Date对象 new ...
A primer on L.CRS.Simple, how to make maps with no concept of “latitude” or “longitude”.WMS and TMSHow to integrate with WMS and TMS services from professional GIS software.Working with map panesHow the default map panes work to display overlays on top of tiles, and how to override...
Leaflet|©OpenStreetMapcontributors Here we create a map in the'map'div, addtiles of our choice, and then add a marker with some text in a popup: varmap = L.map('map').setView([51.505, -0.09],13); L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', { attribut...
id String Reference to HTML DIV or other element where the map is placed on the page. infoWindow InfoWindowBase Displays the InfoWindow on a map. isClickRecenter Boolean When true, the key sequence of shift then click to recenter the map is enabled. isDoubleClickZoom Boolean When true, doub...
getWeekdays =()=>{conststart =this.dayjs().startOf("week");return[0,1].map((diff) =>this.formatByString(start.add(diff,"day"),"dd")); }; } Note: that you will need to do this with every adapter you want to support to be in sync. ...
<script>varmap=document.querySelector("#my-map");map.style.height="600px";</script> 上面用了...