34 lines
611 B
Markdown
34 lines
611 B
Markdown
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---
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title: Declare JavaScript Objects as Variables
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localeTitle: 将JavaScript对象声明为变量
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---
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这有一个简单的格式。您声明您的变量并使其等于`{ key: value}`形式的对象
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```
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var car = {
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"wheels":4,
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"engines":1,
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"seats":5
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};
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```
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您可以使用点表示法或括号表示法访问对象的属性。
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使用点符号:
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```javascript
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console.log(car.wheels); // 4
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```
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使用括号表示法:
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```javascript
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console.log(car["wheels"]); // 1
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```
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使用动态括号表示法:
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```javascript
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var seatsProperty = "seats";
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console.log(car[seatsProperty]); // 5
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```
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