HTML5 中是否存在跨域属性?


是的,官方规范将跨域属性规定为

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;
}

更新于: 2020-01-29

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