Because it interfered with the traditional way of hiding scripts from noncompatible browsers.

因为这与从非兼容浏览器中隐藏脚本的传统方式是相冲突的。

youdao

In fact, in Firefox 1.5, E4X was disabled by default on HTML pages because it interfered with the traditional way of hiding scripts from noncompatible browsers.

事实上，在最新的Deer Park alpha 版中，对HTML网页默认禁用了E4X，因为与从非兼容浏览器中隐藏脚本的传统方式有冲突。

youdao

In fact, in Firefox 1.5, E4X was disabled by default on HTML pages because it interfered with the traditional way of hiding scripts from noncompatible browsers.

事实上，在最新的Deer Park alpha 版中，对HTML网页默认禁用了E4X，因为与从非兼容浏览器中隐藏脚本的传统方式有冲突。

youdao