searchinpage.js

来自「S3C44B0x下的ADS7843触摸屏驱动资料与代码」· JavaScript 代码 · 共 69 行

var DOM = (document.getElementById) ? 1 : 0;
var NS4 = (document.layers) ? 1 : 0;
var IE4 = 0;
if (document.all)
{
	IE4 = 1;
	DOM = 0;
}

var win = window;   
var n   = 0;

function findIt() {
	if (fsa.searchstr.value != "")
		findInPage(fsa.searchstr.value);
}


function findInPage(str) {
var txt, i, found;

if (str == "")
	return false;

if (DOM)
{
	win.find(str, false, true);
	return true;
}

if (NS4) {
	if (!win.find(str))
		while(win.find(str, false, true))
			n++;
	else
		n++;

	if (n == 0)
		alert("未找到指定内容.");
}

if (IE4) {
	txt = win.document.body.createTextRange();

	for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) {
		txt.moveStart("character", 1);
		txt.moveEnd("textedit");
	}

if (found) {
	txt.moveStart("character", -1);
	txt.findText(str);
	txt.select();
	txt.scrollIntoView();
	n++;
}
else {
	if (n > 0) {
		n = 0;
		findInPage(str);
	}
	else
		alert("未找到指定内容.");
	}
}

return false;
}