window.onerror（）仅从数据的嵌入式<script>内的错误中接收“脚本错误”：URI网站

Question

我正在尝试使用base64编码并加载了 data： URI的页面上的 window.onerror 函数捕获所有错误，但是我只能得到< code>脚本错误。作为错误消息，而不是完整错误。 当我直接从文件中加载网页时，我得到了完整的错误消息，因此看起来它必须对页面位于 data： URI中进行某些处理。

我已经尝试使用 <身体>     

和 data： URI：

 <代码>数据：text / html的; BASE64，PCFET0NUWVBFIGh0bWw + CjxodG1sPgo8aGVhZD4NCgk8IS0tIDxtZXRhIGh0dHAtZXF1aXY9IkNvbnRlbnQtU2VjdXJpdHktUG9saWN5IiBjb250ZW50PSJzY3JpcHQtc3JjICo7Ij4gLS0 + Cgk8bWV0YSBjaGFyc2V0PSJ1dGYtOCI + 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 TT04uc3RyaW5naWZ5KG8sIGZ1bmN0aW9uKGssIHYpIHsKCQkJCWlmICh2IGluc3RhbmNlb2YgRXJyb3IpIHsKCQkJCQl2YXIgbiA9IHsKCQkJCQkJZXJyb3I6ICJlcnJvciIKCQkJCQl9OwoJCQkJCXZhciBwcm9wcyA9IE9iamVjdC5nZXRPd25Qcm9wZXJ0eU5hbWVzKHYpOwoJCQkJCWZvciAodmFyIGkgPSAwLCBwOyBpIDwgcHJvcHMubGVuZ3RoOyBpKyspIHsKCQkJCQkJcCA9IHByb3BzW2ldOwoJCQkJCQluW3BdID0gdltwXTsKCQkJCQkJaWYgKHAgPT09ICJzdGFjayIpIHsKCQkJCQkJCW4uc3RhY2sgPSBuLnN0YWNrLnJlcGxhY2UoL2RhdGE6dGV4dFwvaHRtbDtiYXNlNjQsKD86W0EtWmEtejAtOStcL117NH0pKig / 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 + CJW vYm9keT4KPC9odG1sPg ==