| PASS existence of postMessage | |
| PASS existence of onmessage | |
| PASS existence of self | |
| PASS existence of location | |
| PASS existence of close | |
| PASS existence of onerror | |
| PASS existence of onoffline | |
| PASS existence of ononline | |
| PASS existence of addEventListener | |
| PASS existence of removeEventListener | |
| PASS existence of dispatchEvent | |
| PASS existence of importScripts | |
| PASS existence of navigator | |
| PASS existence of setTimeout | |
| PASS existence of clearTimeout | |
| PASS existence of setInterval | |
| PASS existence of clearInterval | |
| PASS existence of btoa | |
| PASS existence of atob | |