Get the type of a JavaScript object
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variables.put(name, variable); } public void setValue(String name, Object value) { Variable variable=getVariable...(name); variable.Value=value; } public Object getValue(String name) { Variable variable=getVariable(name...); return variable.Value; } private Variable getVariable(String name)...
System.Runtime.InteropServices.JavaScript.dll Returnstypeof()of the property. C# publicstringGetTypeOfProperty(stringpropertyName); Parameters propertyName String The name of the property. Returns String One of "undefined", "object", "boolean", "number", "bigint", "string", "symbol...
规范 Specification ECMAScript® 2026 Language Specification #sec-object.getownpropertysymbols 参见 core-js中Object.getOwnPropertySymbols的 polyfill Object.getOwnPropertyNames() Symbol
The getOwnPropertyDescriptor() method returns a property descriptor for a specific property of an object. In this tutorial, you will learn about the JavaScript Object.getOwnPropertyDescriptor() method with the help of examples.
对象(object) Object 是 JavaScript 的一种 数据类型 。它用于存储各种键值集合和更复杂的实体。Objects 可以通过 Object() 构造函数或者使用 对象字面量 的方式创建 描述 在JavaScript中,几乎所有的对象都是Object类型的实例,它们都会从Object.prototype继承属性和方法,虽然大部分属性都会被覆盖(shadowed)或者说被重写了...
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The getOwnPropertySymbols() method returns an array of all the symbol properties found in a given object. In this tutorial, you will learn about the JavaScript Object.getOwnPropertySymbols() method with the help of examples.
System.Runtime.InteropServices.JavaScript.dll Restituiscetypeof()la proprietà . C# publicstringGetTypeOfProperty(stringpropertyName); Parametri propertyName String Nome della proprietà. Restituisce String Uno di "undefined", "object", "boolean", "number", "bigint", "string", "symbol" o "...