程序发生了意想不到的情况,影响到了程序的正确运行 从根本上来说,异常就是一个普通的对象,其保存了异常发生的相关信息,比如错误码、错误信息等。以 JS 中的标准内置对象 Error 为例,其标准属性有 message。许多宿主环境额外增加了 filename 和 stack 等属性 错误只有被 throw,才会产生异常,不被抛出的错误不会产...
AI代码解释 -(void)loadSettings{CDVConfigParser*delegate=[[CDVConfigParser alloc]init];[self parseSettingsWithParser:delegate];// Get the plugin dictionary, whitelist and settings from the delegate.self.pluginsMap=delegate.pluginsDict;self.startupPluginNames=delegate.startupPluginNames;self.settings=delega...
It also, notably, includes window.eval, which allows running scripts, but with the jsdom window as the global: const dom = new JSDOM(` document.getElementById("content").append(document.createElement("hr")); `, { runScripts: "outside-only" }); // run a script outside of JSDOM:...
If you would prefer to display the barcode using antag or with CSSbackground-image, pass in a detached or hidden canvas, and use the canvas methodHTMLCanvasElement.toDataURLto get a data URL. For example: letcanvas=document.createElement('canvas');try{bwipjs.toCanvas(canvas,options);document...
constdom=newJSDOM(`document.getElementById("content").append(document.createElement("hr"));`,{runScripts:"outside-only"});// run a script outside of JSDOM:dom.window.eval('document.getElementById("content").append(document.createElement("p"));');console.log(dom.window.document.getElement...
let iframe = document.createElement('iframe'); document.body.appendChild(iframe); let arr = [1,2,3]; fArr = window.frames[0].Array; //iframe中的构造函数 let arr1 = new fArr(4,5,6); 数组的增删改查 数组的增加 let arr = ['a']; ...
document.createElement("calcite-button"); categoryButton.setAttribute("class", "category-button"); categoryButton.setAttribute("round", true); categoryButton.setAttribute("scale", "s"); categoryButton.setAttribute("kind", "inverse") categoryButton.innerHTML = category; categoryButton.id = category;...
var script = document.createElement("script"); // 不要用innerHTML, 他不会自动发送请求 // 3.给函数起名字,定义为全局函数; var fnName = "haha_123123"; // window.aaa就是把aaa设置为全局变量! window[fnName] = obj.success; // 2.改变src,添加到head中 ...
var WVJBIframe = document.createElement('iframe'); WVJBIframe.style.display = 'none'; WVJBIframe.src = 'https://__bridge_loaded__'; document.documentElement.appendChild(WVJBIframe); setTimeout(function() { document.documentElement.removeChild(WVJBIframe) ...
createElement(c),g=b.getElementsByTagName(c)[0], f.async=1,f.src=d,g.parentNode.insertBefore(f,g),h=a.onerror,a.onerror=function(b,c,d,f,g){ h&&h(b,c,d,f,g),g||(g=new Error(b)),a[e].q=a[e].q||[],a[e].q.push({ e:g})}}(window,document,"script","//...