[Javascript] var txt = "Hello World! "Document. write ("<p> Big:" + txt. big () + "</p>") document. write ("<p> Small:" + txt. small () + "</p>") document. write ("<p> Bold:" + txt. bold () + "</p>") document. write ("<p> Italic:" + txt. italics () + "</p>") document. write ("<p> Blink:" + txt. blink () + "(does not work in IE) </p>") document. write ("<p> Fixed:" + txt. fixed () + "</p>") document. write ("<p> Strike:" + txt. strike () + "</p>") document. write ("<P> Fontcolor:" + txt. fontcolor ("Red") + "</p>") document. write ("<p> Fontsize:" + txt. fontsize (16) + "</p>") document. write ("<p> Lowercase:" + txt. toLowerCase () + "</p>") document. write ("<p> Uppercase:" + txt. toUpperCase () + "</p>") document. write ("<p> Subscript:" + txt. sub () + "</p>") document. write ("<p> Superscript:" + txt. sup () + "</p>") document. write ("<p> Link:" + txt. link (".. /default.htm ") + "</P>") [javascript] var str = "Visit Microsoft! "Document. write (str. replace (/Microsoft/, "W3School") [javascript] document. write (Math. abs (7.25) + "<br/>") document. write (Math. abs (-7.25) document. write (Math. round (0.49) + "<br/>") document. write (Math. round (-4.40) + "<br/>") document. write (Math. ceil (5.1) + "<br/>") document. write (Math. floor (5.1) + "<br/>") document. write (Math. min (-3,-5) + "<br/>") document. write (Math. pow (2, 3) + "<br/>") document. write (Math. sqrt (0.64) + "<br/>") document. write ("PI:" + Math. PI );