Iframe covers the original page in full screen

background:

At present, there is a requirement to embed a page of a new project inside the original project, and now the problem encountered is that this page is embedded through an iframe, but there are two scroll bars that make the style look ugly;

solution:

Use the iframe full screen to cover the existing style, the specific code is shown as follows:

    <iframe src="http://xxx.com"
        style="width: 100%; height: 100%; frameborder:0; position: absolute; top: 0; left: 0;"></iframe>