Ajax - CORS - Cross Origin Resource Sharing
Below Issue only happens while trying to access some resources which are existing in a different origin
<a onclick="valueAjax()">item2</a>
function valueAjax(){
$.get("http://www.baidu.com",function (data){
document.getElementById('a').innerHTML = data;
}).fail(function(data) {
alert( data);
});
}
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="jquery-1.11.3.js"></script>
</head>
<body>
<div style="position: absolute; top:10px; left: 10px; border: solid 1px red; width: 100px; height: 100px" id="left">
<button onclick="changeValue(this.innerHTML)">item1</button>
<a onclick="valueAjax()">item2</a>
</div>
<div style="position: absolute; top:10px; left: 120px; border: solid 1px red; width: 100px; height: 100px" id="right">
<span id="a">asf</span>
<span>item2</span>
</div>
<script> function changeValue(val){ alert(val); document.getElementById('a').innerHTML = val; } function valueAjax(){ $.get("http://localhost:8089/webapp/jsp/login",function (data){ document.getElementById('a').innerHTML = data; }).fail(function(data) { alert( data); }); } </script>
</body>
</html>
<filter>
<filter-name>CorsFilter</filter-name>
<filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>CorsFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
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