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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # Math對象   是一個固有對象,提供基本數學函數和常數。 ## round方法 四舍五入 ~~~ <script> console.log(Math.round(2.5)); // 3 console.log(Math.round(2.4)); // 2 </script> ~~~ ## random方法 返回0~1之間的隨機數 ~~~ <script> console.log(Math.random()); // 0.14340542373247445 console.log(parseInt(Math.random() * 10)); // 返回0~10之間的隨機數 </script> ~~~ ## max方法 返回最高值 ~~~ <script> console.log(Math.max(1,0.5,23,111,222,231)); // 231 </script> ~~~ ## min方法 返回最低值 ~~~ <script> console.log(Math.min(1,0.5,23,111,222,231)); // 0.5 </script> ~~~ ## abs方法 返回絕對值 ~~~ <script> console.log(Math.abs(-1.23)); // 1.23 </script> ~~~
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