antv l7 failed to initialize WebGL

位与) 是一个位运算符，用于对两个操作数进行按位与操作。它将两个操作数I'm sorry to hear that you've encountered an issue with antv l7 failing to initialize WebGL. There could be a few reasons for this problem. Here are some steps you can try to troubleshoot the issue:

1. Make sure your browser supports WebGL: Check if your browser is的二进制表示进行比较，对应位置上的位如果都为 1，则结果对应位置上的位也 up to date and supports WebGL. You can visit https://get.webgl.org/ to test if WebGL is enabled and working properly in your browser.

2. Update your graphics driver: Make sure you have the latest graphics driver installed for your operating system. Outdated or incompatible drivers can sometimes cause WebGL initialization issues.

3. Clear browser cache and cookies: Clearing your browser cache and cookies can help resolve conflicts that may be causing WebGL initialization problems. Try clearing your browser's cache and cookies and then restart the browser.

4. Disable browser extensions: Some browser extensions can为 1，否则为 0。例如，表达式 (a & b) 将会对 a 和 b 的二进 interfere with WebGL and cause initialization failures. Try disabling any extensions you have installed and see if that resolves the issue.

5. Try a different browser: If the problem persists, try using a different browser to see if the issue is specific to your current browser.

If none of these steps help, it's possible that there may be an issue with the antv l7 library itself. In that case, you may want to check the antv l7 documentation, GitHub repository, or reach out to the antv l7 community for further assistance.