我已經花了幾天時間,並從我能想到的每個角度打它。我正在研究一個簡單的Windows 7小工具。該腳本將從遠程Web服務器提取JSON數據並將其放在頁面上。我爲$ .getJSON使用jQuery 1.6.2。腳本在每個循環中消耗更多內存。從WEB拉JSON時的內存泄漏
var count = 1;
$(document).ready(function() {
updateView();
});
function updateView(){
$("#junk").html(count);
count++;
$.getJSON(URL + "&callback=?", populateView);
setTimeout(updateView, 1000);
}
function populateView(status) {
$("#debug").html(status.queue.mbleft + " MB Remaining<br>" + status.queue.mb + " MB Total");
}
任何幫助將不勝感激....謝謝!
編輯:添加JSON數據樣本
?({"queue":{"active_lang":"en","paused":true,"session":"39ad74939e89e6408f98998adfbae1e2","restart_req":false,"power_options":true,"slots":[{"status":"Queued","index":0,"eta":"unknown","missing":0,"avg_age":"2d","script":"None","msgid":"","verbosity":"","mb":"8949.88","sizeleft":"976 MB","filename":"TestFile#1","priority":"Normal","cat":"*","mbleft":"975.75","timeleft":"0:00:00","percentage":"89","nzo_id":"-n3c6z","unpackopts":"3","size":"8.7 GB"}],"speed":"0 ","helpuri":"","size":"8.7 GB","uptime":"2d","refresh_rate":"","limit":0,"isverbose":false,"start":0,"version":"0.6.5","new_rel_url":"","diskspacetotal2":"931.51","color_scheme":"gold","diskspacetotal1":"931.51","nt":true,"status":"Paused","last_warning":"","have_warnings":"0","cache_art":"0","sizeleft":"976 MB","finishaction":null,"paused_all":false,"cache_size":"0 B","finish":0,"new_release":"","pause_int":"0","mbleft":"975.75","diskspace1":"668.52","scripts":[],"categories":["*"],"darwin":false,"timeleft":"0:00:00","mb":"8949.88","noofslots":1,"nbDetails":false,"eta":"unknown","quota":"","loadavg":"","cache_max":"0","kbpersec":"0.00","speedlimit":"","webdir":"","queue_details":"0","diskspace2":"668.52"}})
編輯2:剝離下來的代碼本,它仍然泄漏。我認爲這消除了穿越DOM作爲貢獻者。
$(document).ready(function() {
setInterval(updateView, 1000);
});
function updateView(){
$.getJSON(URL + "&callback=?", populateView);
}
function populateView(status) {
}
編輯3:這不是jQuery的。我刪除了jQuery,並用直接的js做到了。仍然泄漏。
function init(){
setInterval(updateView, 1000);
}
function updateView(){
var xhr = new XMLHttpRequest();
xhr.open("GET", URL, false);
xhr.setRequestHeader("If-Modified-Since", "0");
xhr.send('');
}
所以...如果它不是jQuery,不只是在IE中(Chrome也是如此)。有沒有搞錯?!想法?
謝謝!
你能把小提琴放在jsfiddle.net上嗎?這會給你一個我們可以看到的可以證明的例子。 –
另外,我們在這裏討論的內存有多少? –
該頁面還在發生什麼?什麼是「狀態」變量? – Pointy