json_parse.js

/**
* 把key不带引号的JSON字符串转换为JSON对象
* 
* Example:
* '{a:1,b:"b",c:{arr:[{name:"n1",title:"t1"},{name:"n2",title:"t2"}]}}'
*/
function parse(s) {
  s = addQuota(s);

  function addQuota(s) {
    if (!~s.indexOf(':')) return s;
    var start = s[0], end = s[s.length - 1];
    return start + s.slice(1, -1).split(',').map(function(t){
      var index = t.indexOf(':');
      if (index == -1) return t;

      var key = t.slice(0, index).replace(/([\{\[]*)/, '$1' + '"') + '"';
      var value = addQuota(t.slice(index + 1));

      return [key, value].join(':')
    }).join(',') + end;
  }
  //console.log(s);
  return JSON.parse(s);
}