js打造数组转json函数_javascript技巧

代码如下:
function arrayToJson(o) {
var r = [];
if (typeof o == "string") return "\"" + o.replace(/([\'\"\\])/g, "\\$1").replace(/(\n)/g, "\\n").replace(/(\r)/g, "\\r").replace(/(\t)/g, "\\t") + "\"";
if (typeof o == "object") {
if (!o.sort) {
for (var i in o)
r.push(i + ":" + arrayToJson(o[i]));
if (!!document.all && !/^\n?function\s*toString\(\)\s*\{\n?\s*\[native code\]\n?\s*\}\n?\s*$/.test(o.toString)) {
r.push("toString:" + o.toString.toString());
}
r = "{" + r.join() + "}";
} else {
for (var i = 0; i < o.length; i++) {
r.push(arrayToJson(o[i]));
}
r = "[" + r.join() + "]";
}
return r;
}
return o.toString();
}

作用相当于 JSON.stringify(array);

简单用法：

代码如下:
var str2="脚本之家,www.gxlcms.com,脚本下载,百度,456,456,456";
var arr1=str2.split(",");
alert(arrayToJson(arr1));