对于每个声明在JSExport里的属性和方法,classInfo会在prototype和constructor里面存入对应的property和method。之后我们就可以通过具体的methodName和PropertyName生成的setter和getter方法,来获取实际的SEL。最后就可以让JSExport中的方法和属性得到正确的访问。所以简单点讲,JSExport就是负责把这些方法打个标,以methodName为ke...
9.4 It’s okay to write a custom toString() method, just make sure it works successfully and causes no side effects. class Jedi { constructor(options = {}) { this.name = options.name || 'no name'; } getName() { return this.name; } toString() { return `Jedi - ${this.getName...
(Note that you need to include a reference to the jQuery library in your page using a tag.) The jQuery version is terser, using the CSS-style “#” to indicate ID-based selection, and the more declarative “hide()” method. It might seem like a small savings until you realize the ...
The clickElement method is called directly on the object. The following example assumes that the TriggerClickEvent method is available from the JsInteropClasses namespace:razor Copy @inject IJSRuntime JS @using JsInteropClasses Example Button Trigger click event on Example Button @code {...
var notStartedItem = listItemEnumerator.get_current(); var calendarEventEnumerator = scheduledItems.getEnumerator(); while (calendarEventEnumerator.moveNext()) { var scheduledEvent = calendarEventEnumerator.get_current(); // The SP.ListItem.get_item('field_name ') method gets the value of the sp...
An algorithmic paradigm is a generic method or approach which underlies the design of a class of algorithms. It is an abstraction higher than the notion of an algorithm, just as an algorithm is an abstraction higher than a computer program. ...
下面的代码示例获取活动工作表,加载其name属性,并向控制台写入一条消息。 JavaScript awaitExcel.run(async(context) => {letsheet = context.workbook.worksheets.getActiveWorksheet(); sheet.load("name");awaitcontext.sync();console.log(`The active worksheet is "${sheet.name}"`); }); ...
methodName:'wedaGetItemV2', params:{ filter:{ where:{ $and:[ { openid:{ $eq:openid,// 获取单条时,推荐传入_id数据标识进行操作 }, }, ], }, }, select:{ $master:true,// 常见的配置,返回主表 } }, }); console.log("getuserinfo: ",$app.dataset.state.userInfo); ...
currentValue:必需。当前元素 index:可选。当前元素的索引值。 arr:可选。当前元素所属的数组对象 复制 let arr = [1,2,3,4,5] arr.forEach((item, index, arr) => { console.log(index+":"+item) }) 1. 2. 3. 4. 该方法还可以有第二个参数,用来绑定回调函数内部this变量(前提是回调函数不能...
只要 method 属性未设置为 "GET" 或 "HEAD"(不支持请求体),您可以通过设置 Options 对象的 body 属性来指定请求体: fetch(url, { method: "POST", body: "hello world" }) 当您指定请求体时,浏览器会自动向请求添加适当的 “Content-Length” 头。当请求体是字符串时,如前面的示例中,浏览器将默认将 ...