​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript 对象</h1>
​
<h2>fromEntries() 方法</h2>
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<p>梨的数量是：</p>
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<p id="demo"></p>
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<script>
const fruits = [
["苹果", 300],
["梨", 900],
["香蕉", 500]
];
​
const myObj = Object.fromEntries(fruits);
document.getElementById("demo").innerHTML = myObj.pears;
</script>
​
</body>
</html>
​