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重新表达的标题为：The Concept of Object()

使用内置的 Object() 构造函数，我们可以动态创建通用的空对象。事实上，如果你还记得第一章的开头，这正是我们通过创建 cody 对象所做的事情。让我们重新创建 cody 对象。示例：sample69.html <!DOCTYPE html><html lang="en"><body><script> var cody = …
WordPress
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520131423年9月3日
判断是否为布尔值的方法

Boolean() 构造函数可用于创建布尔对象以及布尔原始值，表示 true 或 false 值。在下面的代码中，我详细介绍了 JavaScript 中布尔值的创建。示例：sample52.html <!DOCTYPE html><html lang="en"><body><script> // Create a Boolea…
WordPress
- 633
- 0
520131423年8月31日

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重新表达的标题为：The Concept of Object()

判断是否为布尔值的方法

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