Javascript 获取url参数，hash值 ，cookie

/*** 获取请求参数* @param key* @returns {*}*/
function getRequestParameter(key){var params = getRequestParameters();return params[key];
}/*** 获取请求参数列表* @returns {{}}*/
function getRequestParameters(){var arr = (location.search || "").replace(/^\?/,'').split("&");var params = {};for(var i=0; i<arr.length; i++){var data = arr[i].split("=");if(data.length == 2){params[data[0]] = data[1];}}return params;
}/*** 获取hash参数*/
function getHashParameter(key){var params = getHashParameters();return params[key];
}function getHashParameters(){var arr = (location.hash || "").replace(/^\#/,'').split("&");var params = {};for(var i=0; i<arr.length; i++){var data = arr[i].split("=");if(data.length == 2){params[data[0]] = data[1];}}return params;
}function getCookies(name){var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");if (arr = document.cookie.match(reg)) {var result = unescape(arr[2]);result = result.replace(/^\"|\"$/g, "").replace(/\\\"/g, "\"");try{return JSON.parse(result);}catch(e){}return result;}else {return null;}
}