Files
charlie 877acb5a8f feat: Add JavaScript core exercises and solutions
- 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.
2026-03-13 11:09:19 +08:00

17 lines
412 B
JavaScript

function createCounter() {
let count = 0;
return function () {
count += 1;
return count;
};
}
const counterA = createCounter();
const counterB = createCounter();
console.log("counterA 第一次:", counterA());
console.log("counterA 第二次:", counterA());
console.log("counterB 第一次:", counterB());
console.log("每次调用 createCounter 都会创建一个新的闭包环境。");