跨域
虽然有同源策略的存在，但是在js中跨域也依然很常见，有document.domain、window.name、图片ping、jsonp、CORS，在这里简单总结下图片ping、jsonp和CORS备忘。
图片ping
图片可以从任何URL中加载，所以将img的src设置成其他域的URL，即可以实现简单的跨域，可以使用onload和onerror事件来确定是否接受到了响应。
var img=new Image();
img.src='//www.jb51.net';
img.onerror=function(){
alert('error');
}
img.onload=funct
2021-10-31 11:16:41
55KB
1
a network of continuously operating GNSS (Global Navigation Satellite Systems, such as GPS, GLONASS, Galileo, Beidou, ...) reference stations,
data centres providing access to the station data,
analysis centres that analyze the GNSS data,
product centres or coordinators that generate the EPN products,
and a Central Bureau that is responsible for the daily monitoring and management of the EPN.
2021-10-27 11:41:01
29KB
1
allow-cors-access-control.crx chrome浏览器跨域解决方案
2021-10-11 17:03:53
51KB
1
解决Tomcat跨域的两个jar包，java-property-utils-1.9.jar和cors-filter-1.7.jar
2021-10-01 00:21:42
28KB
1
cors-filter-2.4.jar
cors-filter-2.4.jar
cors-filter-2.4.jar
cors-filter-2.4.jar
2021-09-30 14:26:37
33KB
1
cors-filter-1.7.jar java-util-1.9.1.jar
2021-09-29 19:02:32
74KB
1
6%Mean Square Difference 就是减去平均值再求RMS）CORs
2021-09-28 16:02:39
22KB