HTML5 中是否存在跨域属性?
是的,官方规范将 cross-origin 属性定义为
The crossorigin attribute is a CORS settings attribute. Its purpose is to allow images from third-party sites that allow cross-origin access to be used with canvas.
你可以使用它来解决 JavaScript 错误,例如记录 js 错误
if (securityOrigin()->canRequest(targetUrl)) {
msg = myErroe;
line = myLineNumber;
source = sourceURL;
} else {
msg = "Error!";
source = String();
line = 0;
}
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