??i m�u ch? c?a th? paragraph

M?t v� d? ??n gi?n s? d?ng ph??ng ph�p getElementById ?? thay ??i m�u c?a th? paragraph.

D�ng ch? n�y c� m�u b�nh th??ng, H�y b?m n�t "??i m�u" ?? th?y s? thay ??i v? m�u s?c

<script language="javascript"> function changecolor(){ var x=document.getElementById("para"); x.style.color ="red"; } </script> Mu?n thay ??i ch? c?a th? <p> ch? c?n vi?t: <p id="para">D�ng ch? n�y c� m�u b�nh th??ng, H�y b?m n�t "??i m�u" ?? th?y s? thay ??i v? m�u s?c</p> <center><input type="button" value="??i m�u" onclick="changecolor()"></center>

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