38 lines
722 B
JavaScript
38 lines
722 B
JavaScript
let scoreA = 80;
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let scoreB = scoreA;
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const userA = {
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name: "小周",
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city: "上海",
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};
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const userB = userA;
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function printStepOne() {
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console.log("步骤一");
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}
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function printStepTwo() {
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console.log("步骤二");
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}
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function updateUser(user) {
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// 任务：
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// 1. 修改 user.city
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user.city = '北京'
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}
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scoreB = 90
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console.log('scoreA' + scoreA + ',scoreB' + scoreB);
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userB.city = '秦皇岛'
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console.log(userA.city, userB.city);
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printStepOne()
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printStepTwo()
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updateUser(userA)
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console.log(userA);
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// 任务：
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// 2. 修改 scoreB，观察 scoreA 是否变化
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// 3. 修改 userB.city，观察 userA.city 是否变化
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// 4. 按顺序调用 printStepOne 和 printStepTwo
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// 5. 调用 updateUser(userA)
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