请问这个URL链接中包含‘指定参数’的长尾词是什么？

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javascriptfunction getAllUrlParams(url) { // Get query string from url (optional) or window.location.search var queryString=url ? url.split('?')[1] : window.location.search.slice(1);

// We'll store the parameters here var obj={};

// If query string exists if (queryString) { // Split the query string into key-value pairs var pairs=queryString.split('&');

// Iterate over each pair for (var i=0; i

// Decode the key and value from URI components var key=decodeURIComponent(pair[0]); var value=decodeURIComponent(pair[1]);

// If the key already exists, then it's an array if (obj.hasOwnProperty(key)) { // If it's not already an array, convert it into one if (!Array.isArray(obj[key])) { obj[key]=[obj[key]]; } obj[key].push(value); } else { // Otherwise, just store the key-value pair obj[key]=value; } } }

return obj;}

gistfile1.txt

function getAllUrlParams(url) { // get query string from url (optional) or window var queryString = url ? url.split('?')[1] : window.location.search.slice(1); // we'll store the parameters here var obj = {}; // if query string exists if (queryString) { // stuff after # is not part of query string, so get rid of it queryString = queryString.split('#')[0]; // split our query string into its component parts var arr = queryString.split('&'); for (var i = 0; i < arr.length; i++) { // separate the keys and the values var a = arr[i].split('='); // in case params look like: list[]=thing1&list[]=thing2 var paramNum = undefined; var paramName = a[0].replace(/\[\d*\]/, function (v) { paramNum = v.slice(1, -1); return ''; }); // set parameter value (use 'true' if empty) var paramValue = typeof (a[1]) === 'undefined' ? true : a[1]; // if parameter name already exists if (obj[paramName]) { // convert value to array (if still string) if (typeof obj[paramName] === 'string') { obj[paramName] = [obj[paramName]]; } // if no array index number specified... if (typeof paramNum === 'undefined') { // put the value on the end of the array obj[paramName].push(paramValue); } // if array index number specified... else { // put the value at that index number obj[paramName][paramNum] = paramValue; } } // if param name doesn't exist yet, set it else { obj[paramName] = paramValue; } } } return obj; }; var x = getAllUrlParams('127.0.0.1:5000/app/index.html?code=KXMvRUkC92WaJ6n3vELMU3iK2128879&state=').code; console.log(x);