javascript 获取url中的参数

方法封装

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