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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <script> // 0-1随机数 var random1=Math.random(); console.log(random1); //n-m随机数 Math.random()*(m-n)+n var random2=Math.random()*(10-5)+5 console.log(random2); // 0-1随机整数 var random3=Math.round(Math.random()) console.log(random3); //0-5随机整数 var random4=Math.floor(Math.random()*6) console.log(random4); //1-5随机数 var random5=Math.floor(Math.random()*5)+1 console.log(random5); </script> </body> </html>

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