getjson

问题 I have a json file which has about 8000 contacts in it, fetching all that data takes a very long time with angularjs using ng-repeat, is there any fix for this? 回答1: You cannot expect much speed when retrieving such large records. You can optimize the ng-repeat performance by using Track by BindOnce Infinite Scroll These things will improve the performance to an extent. 来源： https://stackoverflow.com/questions/24261331/angularjs-very-slow-fetching-ng-repeat-data-from-a-json-file

问题 I have a combo box that triggers a jquery function on change, it calls a php script which brings the results from the database sorted by name not by id (table cities) and creates a json file with the id and the name of the city. The problem comes with a $.getJSON(url, data) function, it retrieves all the json encoded data fine, but it is seems to be sorting the data automatically by the id for instance if the php page generates id name 3 Dania Beach 1 Miami 2 Weston after jquery getJSON it

问题 I am trying to retrieve the exchange rate from Google with jQuery's $.getJSON() . Using the request: "http://www.google.com/ig/calculator?hl=en&q=1USD=?CAD" returns a simple JSON file: { lhs: "1 U.S. dollar", rhs: "1.03800015 Canadian dollars", error: "", icc: true } I am using the following jQuery function to get the Canadian dollar amount: $(document).ready(function(){ $.getJSON("http://www.google.com/ig/calculator?hl=en&q=1USD=?CAD?&label=rhs&format=json&jsoncallback=?", function(data){

问题 When making a call out to the yahoo web service (http://boss.yahooapis.com/ysearch) to return a data set, is it possible to set a timeout and exit the routine once its elapsed? jQuery.getJSON("http://boss.yahooapis.com/ysearch/...etc", function (data) { //result set here }); 回答1: You can use the timeout option http://api.jquery.com/jQuery.ajax/ $.ajax({ url: url, dataType: 'json', data: data, success: callback, timeout: 3000 //3 second timeout }); 回答2: $.ajax({ url: url, dataType: 'json',

问题 When making a call out to the yahoo web service (http://boss.yahooapis.com/ysearch) to return a data set, is it possible to set a timeout and exit the routine once its elapsed? jQuery.getJSON("http://boss.yahooapis.com/ysearch/...etc", function (data) { //result set here }); 回答1: You can use the timeout option http://api.jquery.com/jQuery.ajax/ $.ajax({ url: url, dataType: 'json', data: data, success: callback, timeout: 3000 //3 second timeout }); 回答2: $.ajax({ url: url, dataType: 'json',

问题 This question already has answers here : Calling an asynchronous function within a for loop in JavaScript (8 answers) JavaScript closure inside loops – simple practical example (44 answers) Closed 3 years ago . I have the following code (javascript/jQuery) $(function(){ for(var i=0;i<3;i++){ $.getJSON("https://api.twitch.tv/kraken/streams/esl_csgo", function(data){ console.log(i); console.log(data); }); } }); console log: 3 Object { stream: Object, _links: Object } 3 Object { stream: Object,

问题 I have problems when displaying data by taking data from JSON (arrays in the array). That is when the gridview selected, then immediately exit the application and will display an error message, as below: Code: private BukuAudio itemDetail = null; public async void StoreAll() { try { var client = new Windows.Web.Http.HttpClient(); string urlPath = "website"; var values = new List<KeyValuePair<string, string>> { }; var response = await client.PostAsync(new Uri(urlPath), new Windows.Web.Http

问题 I'm new to json and flot. But I ve been asked to create a chart. Could someone explain to me why my code will not work? $.getJSON('chart.json', function(graphData){ alert(graphData); $.plot($('#graph-lines'), graphData, { series: { points: { show: true, radius: 15, }, lines: { show: true, lineWidth: 6 }, shadowSize: 0 }, grid: { color: '#646464', borderColor: 'transparent', borderWidth: 20, hoverable: true, highlightColor: "transparent" }, xaxis: { tickColor: 'transparent', ticks: [[6,'Week

问题 how to support JSONP returns in ASP.Net website for getJson calls? var url = "http://demo.dreamacc.com/TextTable.json?callback=?"; $.ajax({ type: 'GET', url: url, async: false, jsonpCallback: 'jsonCallback', contentType: "application/json", dataType: 'jsonp', success: function (ooo) { alert('hi'); alert(ooo); }, error: function () { alert('w'); } }); the previous function doesn't fire the neither the success nor the error function 回答1: On the server you could write a handler which will return

问题 I'm returning a JSON object using a 3rd party API. When I print out the variable I get the following: category: { "sys": { "id":"44uyBvGjFmsmoU6uqiiSOq", "revision":1, "type":"Entry", "locale":"en-US", "contentType": { "sys": { "id":"2V5tBa4wf6cuMSIu4McuUc", "type":"Link", "linkType":"ContentType" } }, "createdAt":"2014-09-13T22:40:39.901Z", "updatedAt":"2014-09-13T22:40:39.901Z", "space": { "sys": { "id":"t667fybp3v46", "type":"Link", "linkType":"Space" } } }, "fields": { "name":"birth