JavaScript is hēah-endebyrdnes, ingetrahted rūngeweorcgereord. Mid HTML and CSS is JavaScript is ān þāra þrēora hēortlicra searucræfta þæs Woruldwīdan Webbes. Be JavaScripte mōtan webtrametas bēon gedǣdlicu and þȳ is hit an heorrwebbgefremmingena dæl. The vast majority of webbsīdan nyttað hine and eall micel webbymbsceaweras habbaþ getǣced JavaScript searu hine to frummienne.Bysen:What