我已经尝试过你的代码了，它没有也可以打开一个新的标签。

但是当我将safari设置设置为 NOT阻止弹出窗口时，它就有效了！

因此我不知道认为这是你的代码问题。

I've tried your code, it didn't open a new tab, either.
But when I set the safari settings to NOT block pop-up windows, it worked !
Therefore I don't think it's your code's problem.

更大尺寸的图片是这里