If you want to add new values to this default whiteList you can do the following: Copy var myDefaultWhiteList = $.fn.tooltip.Constructor.DEFAULTS.whiteList // To allow table elements myDefaultWhiteList.table = [] // To allow td elements and data-option attributes on td elements myDefaultWhi...
// es6 class Da { constructor(name) { // 构造函数内写属性 this.name = name; } eat() { // 构造函数外写方法 console.log('i eat') } } const da1 = new Da('da1'); console.log(da1.name); // da1 console.log(da1); 一个类中只能有一个名为“constructor"的方法,出现多次构造函...
Description: Given the typeName of the target .NET Framework type, this method creates a default instance of the type by using either a parameterless constructor (for reference types) or the default value representation (for value types). The returned object is a JavaScript object that ...
class Jedi { constructor(options = {}) { this.name = options.name || 'no name'; } getName() { return this.name; } toString() { return `Jedi - ${this.getName()}`; } }9.5 Classes have a default constructor if one is not specified. An empty constructor function or one that jus...
如果作为一个函数(不带有运算符 new)调用时,Boolean() 只将把它的参数转换成一个原始的布尔值,并且返回这个值,如果省略 value 参数,或者设置为0、-0、null、""、false、undefined或NaN,则该对象设置为 false。否则设置为 true(即使 value 参数是字符串false)。
If you want to add new values to this default whiteList you can do the following: Copy var myDefaultWhiteList = $.fn.tooltip.Constructor.DEFAULTS.whiteList // To allow table elements myDefaultWhiteList.table = [] // To allow td elements and data-option attributes on td elements myDefaultWhi...
class Person{name='Tom'} 1. 2. 3. 私有化类成员:支持私有实例、私有静态类型字段、私有方法。 复制 class Person{#privateField1='private field 1';//私有字段赋初值 #privateField2;//默认 undefined static #privateStaticField3='private static field 3'constructor(value){this.#privateField2=value;/...
prototype = { constructor: Person, // name: 'zhang3', getName: function () { console.log(this.name) } } var person1 = new Person() 6.4 组合模式 【1】优点: 使用最广泛的方式,该私有私有,该共享共享; 【2】缺点: 期望更好的封装性(写在一个地方); function Person(name) { this.name ...
class Car { constructor(make, model, color) { this.make = make; this.model = model; this.color = color; } setMake(make) { this.make = make; // NOTE: Returning this for chaining return this; } setModel(model) { this.model = model; // NOTE: Returning this for chaining return ...
lastSetterArgument1 = x; }setprop2(x) { lastSetterArgument2 = x; } }classBextendsA{ prop1 ='one';constructor() {super();this.prop2='two'; } }newB();// The public class field uses definition:assert.equal(lastSetterArgument1,undefined);...