 
                            使用這些單行程式碼將您的 JavaScript 技能提升到全新水平,這也將節省您很多開發時間 🚀
原文出處:https://dev.to/nfrankel/20-killer-javascript-one-liners-thatll-save-you-hours-of-coding-o14
Math.max(...array)[...new Set(array)]Math.floor(Math.random() * 100) + 1!isNaN(parseFloat(string))new Date().toString()Array.isArray(variable)typeof variable === "object"array.join(",")typeof variable === "function"Object.values(object)array.filter(x => x === element).length{ [key]: value }string === string.split("").reverse().join("")array.reduce((a, b) => a + b, 0));Date.now()variable === nulltypeof variable === "undefined"Math.min(...array)array.length === 0Array.from({ length: n }, (_, i) => i)以上簡單分享,希望對您有幫助!