即使npm网站上存在，也无法在stackblitz中找到软件包.那怎么安装呢? [英] Can't find packages in stackblitz, even though it is present in npm website. How to install then?

问题描述

我正在stackblitz中安装聚合物应用程序的依赖项.它说找不到3个软件包，但是npm网站上有. 我也试过CDN.即使那样也行不通.

I was installing dependencies for polymer app in stackblitz. It said 3 packages could not be found, but ther were present in npm website. I tried cdn also. Even that did not work.

屏幕截图:

我还在 CDN上从

I have also installed CDN from this website in external sources of stackblitz.

请帮助我哪里出问题了. 预先感谢.

Please help where am i going wrong. Thanks in advance.

推荐答案

此

This stackoverflow answer helped me. Installing like: @polymer/iron-ajax@3.0.0-pre.21 worked for me.

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