Related to #23461, and help some cases like #31412 For developers, they could use browser's Performance tool to collect performance data, while this PR is also quite handy to optimize the `index.js`. For end users, this PR is simple enough and could figure out the slow function quickly.  |
||
|---|---|---|
| .. | ||
| css | ||
| fomantic | ||
| js | ||
| svg | ||