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1 <body> 2 <div> 3 sort()对数组排序，不开辟新的内存，对原有数组元素进行调换 4 </div> 5 <div id="showBox"> 6 1、简单数组简单排序 7 <script type="text/javascript"> 8 var arrSimple=new Array(1,8,7,6); 9 arrSimple.sort(); 10 document.writeln(arrSimple.join()); 11 </script> 12 </div> 13 <div> 14 2、简单数组自定义排序 15 <script type="text/javascript"> 16 var arrSimple2=new Array(1,8,7,6); 17 arrSimple2.sort(function(a,b){ 18 return b-a}); 19 document.writeln(arrSimple2.join()); 20 </script> 21 解释：a,b表示数组中的任意两个元素，若return > 0 b前a后；reutrn < 0 a前b后；a=b时存在浏览器兼容 22 简化一下：a-b输出从小到大排序，b-a输出从大到小排序。 23 </div> 24 <div> 25 3、简单对象List自定义属性排序 26 <script type="text/javascript"> 27 var objectList = new Array(); 28 function Persion(name,age){ 29 this.name=name; 30 this.age=age; 31 } 32 objectList.push(new Persion('jack',20)); 33 objectList.push(new Persion('tony',25)); 34 objectList.push(new Persion('stone',26)); 35 objectList.push(new Persion('mandy',23)); 36 //按年龄从小到大排序 37 objectList.sort(function(a,b){ 38 return a.age-b.age}); 39 for(var i=0;i<objectList.length;i++){ 40 document.writeln('<br />age:'+objectList[i].age+' name:'+objectList[i].name); 41 } 42 </script> 43 </div> 44 <div> 45 4、简单对象List对可编辑属性的排序 46 <script type="text/javascript"> 47 var objectList2 = new Array(); 48 function WorkMate(name,age){ 49 this.name=name; 50 var _age=age; 51 this.age=function(){ 52 if(!arguments) 53 { 54 _age=arguments[0];} 55 else 56 { 57 return _age;} 58 } 59 60 } 61 objectList2.push(new WorkMate('jack',20)); 62 objectList2.push(new WorkMate('tony',25)); 63 objectList2.push(new WorkMate('stone',26)); 64 objectList2.push(new WorkMate('mandy',23)); 65 //按年龄从小到大排序 66 objectList2.sort(function(a,b){ 67 return a.age()-b.age(); 68 }); 69 for(var i=0;i<objectList2.length;i++){ 70 document.writeln('<br />age:'+objectList2[i].age()+' name:'+objectList2[i].name); 71 } 72 </script> 73 </div> 74 </body>