js里面没有map,用object[key]=value,自己写map方法。 // js中没有map,写一个,提供了remove、put、get、clean、each、entrys、isEmty、toString、size方法。并给了使用例子。使用时,放置项目js文件中即可。 function Map() { /* * 找到元素位置,删除元素 * */ Array.prototype.remove = function(val) { v...
在JavaScript中,删除JSON对象中的某个键(key)可以通过多种方式实现。以下是一些常见的方法及其示例代码: 方法一:使用 delete 操作符 delete 操作符可以用来删除对象的属性。这是最常用的方法。 代码语言:txt 复制 let jsonObject = { name: "Alice", age: 25, city: "Wonderland" }; delete jsonObject.age;...
客户端向gate服务器发出请求,gate服务器会给客户端分配一个connector服务器; 分配策略是根据客户端的某一个key做hash得到connector的id,这样就可以实现各个connector服务器的负载均衡。这个一会儿会实现 connector服务器: 接受客户端请求,并将其路由到chat服务器,以及维护客户端的链接; 同时,接收客户端对后端服务器的请求...
const publicKey1=forge.pki.publicKeyFromPem(publicKey);varencrypted = publicKey1.encrypt('123456','RSA-OAEP');//RSA-OAEP 公钥加密算法,不填默认RSAES-PKCS1-V1_5varencryptedBase64 =forge.util.encode64(encrypted); console.log(encryptedBase64) const privateKey1=forge.pki.privateKeyFromPem(priva...
{ if (!obj || typeof obj !== "object" ) { return ; } for ( var i in obj) { definepro(obj, i, obj[i]); } } function definepro ( obj, key, value ) { observe(value); object .defineproperty(obj, key, { get : function ( ) ...
To replace an identifier with an arbitrary non-constant expression it is necessary to prefix the global_defs key with "@" to instruct UglifyJS to parse the value as an expression: UglifyJS.minify("alert('hello');", { compress: { global_defs: { "@alert": "console.log" } } }).code...
[cc42ee8fc7] - crypto: ensure expected JWK alg in SubtleCrypto.importKey RSA imports (Filip Skokan) #57450 [053cef70e0] - (SEMVER-MINOR) crypto: add optional callback to crypto.diffieHellman (Filip Skokan) #57274 [1f08864fd7] - debugger: fix behavior of plain object exec in debugger...
options.config(Object)(default null) The initial configuration options for the style fragments. Each key in the object is a fragment ID (e.g., basemap ) and each value is a configuration object. options.container((HTMLElement | string)) The HTML element in which Mapbox GL JS will render...
Number keys from 0-9 skip to a percentage of the video. 0 is 0% and 9 is 90%. Note: clicking any of the control buttons such as Play/Pause, Fullscreen, or Mute, will remove focus on the player which appears to "break" the hotkeys. This is for accessibility reasons so that peop...
1functionremoveWithoutCopy(arr, item) {2//可以先去重,再进行操作3//arr =Array.from(new Set(arr));4for(vari=0;i<arr.length;i++){5if(arr[i]==item){6arr.splice(i,1);7i--;8}9}10returnarr;11}12removeWithoutCopy([1, 2, 2, 3, 4, 2, 2], 2);//[1,3,4] ...