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JavaScript JSON操作

var myMusic = [
{
"artist": "Billy Joel",
"title": "Piano Man",
"release_year": 1973,
"formats": [
"CS",
"8T",
"LP" ],
"gold": true
},
  {
    "artist":"John",
    "title":"Piano Man",
    "release_year":1990,
    "formats":[
      "CS",
"8T",
"LP" ],
"gold": true
  }// Add record here
];
JavaScript 检查对象属性
 JavaScript 获取JSON属性值
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MIP.setData({ 'pageTheme' : getCookie('pageTheme') || {'day':true, 'night':false}, 'pageFontSize' : getCookie('pageFontSize') || 20 }); MIP.watch('pageTheme', function(newValue){ setCookie('pageTheme', JSON.stringify(newValue)) }); MIP.watch('pageFontSize', function(newValue){ setCookie('pageFontSize', newValue) }); function setCookie(name, value){ var days = 1; var exp = new Date(); exp.setTime(exp.getTime() + days*24*60*60*1000); document.cookie = name + '=' + value + ';expires=' + exp.toUTCString(); } function getCookie(name){ var reg = new RegExp('(^| )' + name + '=([^;]*)(;|$)'); return document.cookie.match(reg) ? JSON.parse(document.cookie.match(reg)[2]) : null; }