JSON.parse()处理json字符串时需要处理的特殊字符

var str= "json字符串";

str=str.replace(/\\/g,"\\\\");

str=str.replace(/\n/g,"\\n");

str=str.replace(/\r/g,"\\r");

str=str.replace(/\t/g,"\\t");

str=str.replace(/("")+/g,"\"\"");

str=str.replace(/\'/g,"'");

str=str.replace(/ /g," ");

str=str.replace(/</g,"&lt;");

str=str.replace(/>/g,"&gt;");

console.log(JSON.parse(str))