Step 1
On a new tab, enter chrome://flags/
Step 2
Search for "JSPI", there should be an "Experimental WebAssembly JavaScript Promise Integration" option available
Step 3
Make sure its enabled
Step 4
Relauch chrome (if required)
Other Notes
The option may just be called "Experimental WebAssembly" on older versions or forks of Google Chrome
If you own a website, you can request an origin trial from Google to enable JSPI for visitors automatically
Step 1
On a new tab, enter edge://flags/
Step 2
Search for the "Experimental WebAssembly" option
Step 3
Make sure its enabled
Step 4
Relauch edge (if required)
Other Notes
If you own a website, you can request an origin trial from Microsoft to enable JSPI for visitors automatically
Step 1
On a new tab, enter about:config
Step 2
Search for the javascript.options.wasm_js_promise_integration option
Step 3
Make sure its set to true
Step 4
Refresh this page, the game should load
JSPI is not supported on Safari, the devs of WebKit say they have no plans for it.
(Try again in a few years, the WebKit devs do not like the JSPI proposal)