877acb5a8f
- Implemented exercises for array high-order methods, memory and execution, switch statements, and final review. - Added starter and answer files for each exercise to facilitate learning. - Created a runner HTML file to execute JavaScript code and display console outputs. - Updated README files to include exercise objectives, tasks, and usage instructions.
17 lines
412 B
JavaScript
17 lines
412 B
JavaScript
function createCounter() {
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let count = 0;
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return function () {
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count += 1;
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return count;
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};
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}
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const counterA = createCounter();
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const counterB = createCounter();
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console.log("counterA 第一次：", counterA());
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console.log("counterA 第二次：", counterA());
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console.log("counterB 第一次：", counterB());
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console.log("每次调用 createCounter 都会创建一个新的闭包环境。");
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