28 lines
444 B
HTML
28 lines
444 B
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>理解数据代理</title>
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</head>
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<body>
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</body>
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<script>
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let obj1 = { x: 100 }
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let obj2 = { y: 200 }
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Object.defineProperty(obj2, "x", {
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get() {
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return obj1.x
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},
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set(value) {
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obj1.x = value
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}
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})
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</script>
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</html> |