1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Insert title here</title> 6 ????<script type="text/javascript"> 7 ????????function jSon() { 8 ????????????var jSonObject = {"name":"xiaostudy","age":"23"}; 9 ????????????alert("jSonObject.name=" + jSonObject.name);10 ????????????alert("jSonObject.age=" + jSonObject.age);11 ????????}12 ????????13 ????????function jSon2() {14 ????????????var User = {"name":"xiaostudy","age":"23"};15 ????????????var User2 = {"name":"xiaostudy2","age":"24"};16 ????????????var User3 = {"name":"xiaostudy3","age":25};//Number类型17 ????????????var User4 = {"name":"xiaostudy4", age:26};//String类型18 ????????????var User5 = {"name":"xiaostudy5", age:27,ft:true};//Boolean类型19 ????????????var User6 = {"name":"xiaostudy6", age:28,ft:true,array:[1,2,3]};//Array类型20 ????????????var User7 = {"name":"xiaostudy6", age:28,ft:true,array:[1,2,3], null:null};//null类型21 ????????????//var jSonObject = [{"name":"xiaostudy","age":"23"}, {"name":"xiaostudy2","age":"24"}];22 ????????????var jSonObject = [User, User2, User3, User4, User5, User6, User7];//Object类型23 ????????????24 ????????????alert("jSonObject[0].name=" + jSonObject[0].name);25 ????????????alert("jSonObject[1].age=" + jSonObject[1].age);26 ????????????alert("jSonObject[2].age=" + jSonObject[2].age);27 ????????????alert("jSonObject[3].age=" + jSonObject[3].age);28 ????????????alert("jSonObject[4].ft=" + jSonObject[4].ft);29 ????????????alert("jSonObject[5].array[1]=" + jSonObject[5].array[1]);30 ????????????alert("jSonObject[6].null=" + jSonObject[6].null);31 ????????}32 ????????33 ????</script>34 </head>35 <body>36 ????<p>37 ????????var User = {"name":"xiaostudy","age":"23"};<br/>38 ????????var User2 = {"name":"xiaostudy2","age":"24"};<br/>39 ????????var User3 = {"name":"xiaostudy3","age":25};//Number类型<br/>40 ????????var User4 = {"name":"xiaostudy4", age:26};//String类型<br/>41 ????????var User5 = {"name":"xiaostudy5", age:27,ft:true};//Boolean类型<br/>42 ????????var User6 = {"name":"xiaostudy6", age:28,ft:true,array:[1,2,3]};//Array类型<br/>43 ????????var User7 = {"name":"xiaostudy6", age:28,ft:true,array:[1,2,3], null:null};//null类型<br/><br/>44 ????????45 ????????var jSonObject = [User, User2, User3, User4, User5, User6, User7];//Object类型<br/>46 ????</p>47 ????<input type="button" value="jSon的name" onclick="jSon()"/><br/>48 ????<input type="button" value="jSon" onclick="jSon2()"/><br/>49 </body>50 </html>JSon数据类型&使用基础
原文地址：https://www.cnblogs.com/xiaostudy/p/9601995.html