div>欢迎光临！</div>
<p><button>大小</button>
<button>颜色</button>
<button>背景</button>
<button>边框</button>
</p>
<script type="text/javascript">
function setSize()
{
document.getElementById( "t2" ).style.fontSize = "30px";
}
function setColor()
{
document.getElementById( "t2" ).style.color = "red";
}
function setbgColor()
{
document.getElementById( "t2" ).style.backgroundColor = "blue";
}
function setBd()
{
document.getElementById( "t2" ).style.border = "3px solid #FA8072";
}
</script>
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