模糊查找

<script>
	window.onload = function() {
		var oText1 = document.getElementById("text1");
		var oBtn = document.getElementById("btn");
		var oTab = document.getElementById("tab");
		var aRows = oTab.tBodies[0].rows;

		oBtn.onclick = function() {
			for(var i = 0; i < aRows.length; i++) {

				for(var j = 0; j < aRows[i].cells.length; j++) {

					var oRows = oTab.tBodies[0].rows[i].cells[j].innerHTML.toLowerCase();
					var oTex = oText1.value.toLowerCase();

					if(oRows.search(oTex) != -1) {
						oTab.tBodies[0].rows[i].cells[j].style.background = 'red';
					}
				}
			}
		}
	}
</script>