JavaScript sê siŏh cṳ̄nggiók-buōng ngṳ̄-ngiòng (iâ hô̤ lā̤ chiū-gō̤ ngṳ̄-ngiòng).
Â-dā̤ sê sāi JavaScript siā gì, â̤ hiēng-sê "Hello World" gì dâi-mā:
<!DOCTYPEHTML><html><head><title>Gāng-dănggìJavaScriptHelloWorld</title><scripttype="text/javascript">document.write("Hello, world!");alert("Hello, world!");console.log("Hello, world!");</script></head><body>HTMLnô̤i-ṳ̀ng</body></html>hĕ̤k-ciā diŏhliù-lāng-ké gì "location bar" diē-sié sāi#"ltr" typeof="mw:Extension/syntaxhighlight" about="#mwt2" data-mw="{"name":"syntaxhighlight","attrs":{"lang":"javascript"},"body":{"extsrc":"\n#">javascript:alert("Hello world!");
