blocks|key|101749|text|这不起作用？http://api.jquery.com/ajaxstop/|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|101750|$(document).ajaxStop(function()+{
++++//+Do+stuff+here...++++
});|code-block|syntax|javascript|101751|entityMap|0|LINK|mutability|MUTABLE|url|http://api.jquery.com/ajaxstop/^0|6|V|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

This doesn't work?
<a href="http://api.jquery.com/ajaxstop/" rel="nofollow">http://api.jquery.com/ajaxstop/</a>

<pre><code>$(document).ajaxStop(function() {
 // Do stuff here... 
});
</code></pre>

blocks|key|101844|text|我找到了答案，它适用于我检查过的少数Ajax和非ajax站点。在这个补丁之后，我不再需要做隐式等待，即使是ajax繁重的页面，LeGac在他对这个问题的一条评论中指出了以下代码。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|101845|public+static+void+checkPendingRequests(FirefoxDriver+driver)+{
++++int+timeoutInSeconds+=+5;
++++try+{
++++++++if+(driver+instanceof+JavascriptExecutor)+{
++++++++++++JavascriptExecutor+jsDriver+=+(JavascriptExecutor)driver;

++++++++++++for+(int+i+=+0;+i<+timeoutInSeconds;+i%2B%2B)+
++++++++++++{
++++++++++++++++Object+numberOfAjaxConnections+=+jsDriver.executeScript("return+window.openHTTPs");
++++++++++++++++//+return+should+be+a+number
++++++++++++++++if+(numberOfAjaxConnections+instanceof+Long)+{
++++++++++++++++++++Long+n+=+(Long)numberOfAjaxConnections;
++++++++++++++++++++System.out.println("Number+of+active+calls:+"+%2B+n);
++++++++++++++++++++if+(n.longValue()+==+0L)++break;
++++++++++++++++}+else{
++++++++++++++++++++//+If+it's+not+a+number,+the+page+might+have+been+freshly+loaded+indicating+the+monkey
++++++++++++++++++++//+patch+is+replaced+or+we+haven't+yet+done+the+patch.
++++++++++++++++++++monkeyPatchXMLHttpRequest(driver);
++++++++++++++++}
++++++++++++++++Thread.sleep(1000);
++++++++++++}
++++++++}
++++++++else+{
+++++++++++System.out.println("Web+driver:+"+%2B+driver+%2B+"+cannot+execute+javascript");
++++++++}
++++}
++++catch+(InterruptedException+e)+{
++++++++System.out.println(e);
++++}++++
}



public+static+void+monkeyPatchXMLHttpRequest(FirefoxDriver+driver)+{
++++try+{
++++++++if+(driver+instanceof+JavascriptExecutor)+{
++++++++++++JavascriptExecutor+jsDriver+=+(JavascriptExecutor)driver;
++++++++++++Object+numberOfAjaxConnections+=+jsDriver.executeScript("return+window.openHTTPs");
++++++++++++if+(numberOfAjaxConnections+instanceof+Long)+{
++++++++++++++++return;
++++++++++++}
++++++++++++String+script+=+"++(function()+{"+%2B
++++++++++++++++"var+oldOpen+=+XMLHttpRequest.prototype.open;"+%2B
++++++++++++++++"window.openHTTPs+=+0;"+%2B
++++++++++++++++"XMLHttpRequest.prototype.open+=+function(method,+url,+async,+user,+pass)+{"+%2B
++++++++++++++++"window.openHTTPs%2B%2B;"+%2B
++++++++++++++++"this.addEventListener('readystatechange',+function()+{"+%2B
++++++++++++++++"if(this.readyState+==+4)+{"+%2B
++++++++++++++++"window.openHTTPs--;"+%2B
++++++++++++++++"}"+%2B
++++++++++++++++"},+false);"+%2B
++++++++++++++++"oldOpen.call(this,+method,+url,+async,+user,+pass);"+%2B
++++++++++++++++"}"+%2B
++++++++++++++++"})();";
++++++++++++jsDriver.executeScript(script);
++++++++}
++++++++else+{
+++++++++++System.out.println("Web+driver:+"+%2B+driver+%2B+"+cannot+execute+javascript");
++++++++}
++++}
++++catch+(Exception+e)+{
++++++++System.out.println(e);
++++}
}|code-block|syntax|javascript|101846|在每一步之后，您都需要调用|101847|checkPendingRequests(driver);|101848|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

I found the answer and it worked for few Ajax and non-ajax sites I checked. After this patch I no longer need to do implicit waits even for ajax heavy pages, LeGac pointed out the following code in one of his comments to the question.

<pre><code>public static void checkPendingRequests(FirefoxDriver driver) {
 int timeoutInSeconds = 5;
 try {
 if (driver instanceof JavascriptExecutor) {
 JavascriptExecutor jsDriver = (JavascriptExecutor)driver;

 for (int i = 0; i&lt; timeoutInSeconds; i++) 
 {
 Object numberOfAjaxConnections = jsDriver.executeScript("return window.openHTTPs");
 // return should be a number
 if (numberOfAjaxConnections instanceof Long) {
 Long n = (Long)numberOfAjaxConnections;
 System.out.println("Number of active calls: " + n);
 if (n.longValue() == 0L) break;
 } else{
 // If it's not a number, the page might have been freshly loaded indicating the monkey
 // patch is replaced or we haven't yet done the patch.
 monkeyPatchXMLHttpRequest(driver);
 }
 Thread.sleep(1000);
 }
 }
 else {
 System.out.println("Web driver: " + driver + " cannot execute javascript");
 }
 }
 catch (InterruptedException e) {
 System.out.println(e);
 } 
}



public static void monkeyPatchXMLHttpRequest(FirefoxDriver driver) {
 try {
 if (driver instanceof JavascriptExecutor) {
 JavascriptExecutor jsDriver = (JavascriptExecutor)driver;
 Object numberOfAjaxConnections = jsDriver.executeScript("return window.openHTTPs");
 if (numberOfAjaxConnections instanceof Long) {
 return;
 }
 String script = " (function() {" +
 "var oldOpen = XMLHttpRequest.prototype.open;" +
 "window.openHTTPs = 0;" +
 "XMLHttpRequest.prototype.open = function(method, url, async, user, pass) {" +
 "window.openHTTPs++;" +
 "this.addEventListener('readystatechange', function() {" +
 "if(this.readyState == 4) {" +
 "window.openHTTPs--;" +
 "}" +
 "}, false);" +
 "oldOpen.call(this, method, url, async, user, pass);" +
 "}" +
 "})();";
 jsDriver.executeScript(script);
 }
 else {
 System.out.println("Web driver: " + driver + " cannot execute javascript");
 }
 }
 catch (Exception e) {
 System.out.println(e);
 }
}
</code></pre>

After every step you would need to call 

<pre><code>checkPendingRequests(driver);
</code></pre>

Some of the sites I deal with have heavy ajax requests. I plan to wait for Ajax request completion before clicking for asserting for element. Currently I use

<pre><code>try {
 if (driver instanceof JavascriptExecutor) {
 JavascriptExecutor jsDriver = (JavascriptExecutor)driver;

 for (int i = 0; i&lt; timeoutInSeconds; i++) 
 {
 Object numberOfAjaxConnections = jsDriver.executeScript("return jQuery.active");
 // return should be a number
 if (numberOfAjaxConnections instanceof Long) {
 Long n = (Long)numberOfAjaxConnections;
 System.out.println("Number of active jquery ajax calls: " + n);
 if (n.longValue() == 0L) break;
 }
 Thread.sleep(1000);
 }
 }
 else {
 System.out.println("Web driver: " + driver + " cannot execute javascript");
 }
}
catch (InterruptedException e) {
 System.out.println(e);
}
</code></pre>

But it works well for Ajax requests but not for any similar requests with variants of jQuery libraries.

Note:

<pre><code>document.readyState == 'complete'
</code></pre>

It doesn't work for Ajax requests or any other similar alternatives.

Neither tests are written by me or belong to single webapp. So I can't edit the webapp.

How to checkif there are pending requests (Ajax and its variants) from browser

jQuery

我处理的一些站点有繁重的ajax请求。我计划在单击断言for元素之前等待Ajax请求完成。目前我使用的是try {    if (driver instanceof JavascriptExecutor) {        JavascriptExecutor jsDriver = (JavascriptExecuto...

问如何检查浏览器是否有挂起的请求(Ajax及其变体
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