fix(std/testing/asserts): Support browsers (#5847)

1 files changed, 13 insertions, 0 deletions

diff --git a/docs/contributing/style_guide.md b/docs/contributing/style_guide.md
index ed23f31e1..0bd7c628f 100644
--- a/docs/contributing/style_guide.md
+++ b/docs/contributing/style_guide.md
@@ -314,3 +314,16 @@ export function foo(): string {
 `https://deno.land/std/` is intended to be baseline functionality that all Deno
 programs can rely on. We want to guarantee to users that this code does not
 include potentially unreviewed third party code.
+
+#### Document and maintain browser compatiblity.
+
+If a module is browser compatible, include the following in the JSDoc at the top
+of the module:
+
+```ts
+/** This module is browser compatible. */
+```
+
+Maintain browser compatibility for such a module by either not using the global
+`Deno` namespace or feature-testing for it. Make sure any new dependencies are
+also browser compatible.