How can you change font in javascript?

If I use the write() function and then I want to change the font of what is already written how would I do it?How can you change font in javascript?
Give the element an id



%26lt;p id=';someName'; class=';styleX';%26gt;some text%26lt;/p%26gt;



Then use getElementById():



document.getElementById (';someName';). style.fontName =';lucida sans';;



(remove added spaces)