1 <!DOCTYPE html> 2 <html lang="en"> 3 4 <head> 5 <meta charset="UTF-8"> 6 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 7 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 8 <title>Document</title> 9 </head> 10 11 <body> 12 13 </body> 14 <script> 15 const rules = [{ 16 match: function(a, b, c) { 17 console.log(555); 18 }, 19 action: function(a, b, c) { 20 console.log(555); 21 } 22 }, { 23 match: function(a, b, c) { 24 console.log(666); 25 }, 26 action: function(a, b, c) { 27 console.log(666); 28 } 29 }, { 30 match: function(a, b, c) { 31 console.log(777); 32 }, 33 action: function(a, b, c) { 34 console.log(777); 35 } 36 }] 37 38 function demo(a, b, c) { 39 for (let i = 0; i < rules.length; i++) { 40 if (rules[i].match(a, b, c)) { 41 return rules[i].action(a, b, c) 42 } 43 } 44 } 45 46 demo(a, b, d); 47 </script> 48 49 </html>