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並前往https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Reference/Global_Objects/Array/splice

Array.prototype.splice() - JavaScript - MDN Web Docs

replaces 1 element at index 4. 9. console.log(months);. 10. // expected output: Array ["Jan", "Feb", "March", "April", "May"]. 11. ​. Run › Reset ...

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