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来自MyIE2插件的页面文字查找 |
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<html>
<head>
<title> New Document </title>
<script language="javascript">
function strip(x,c) {
while (x.substring(0,1) == c) x = x.substring(1);
while (x.substring(x.length-1,x.length) == c) x = x.substring(0,x.length-1);
return x;
}
function search() {
var r,i,s;
s=window.document.selection.createRange().text;
if(!s) {
s=prompt('Enter text to highlight:','');
} else {
s=strip(s,' ');
window.document.selection.empty();
}
if(s) {
r=window.document.body.createTextRange();
for(i=0;r.findText(s);i++) {
r.execCommand("BackColor","","yellow");
r.execCommand("ForeColor","","red");
r.execCommand("Bold","","");
r.collapse(false);
}
if (i==0) {
alert('\"'+ s +'\"\r\n not found on this page');
} else {
if (i==1) sm=' occurrence';
else sm=' occurrences';
status='TextHighlighter : '+i+sm+' of \"' + s + '\" highlighted';
window.clipboardData.setData("Text",s);
}
}
}
</script>
</head>
<body>
点击一链接弹出promot，输入文字，点击确定后，如何实现CTRL+F全文查找的功能，如果网页中有promot的文字，就被选中，否则弹出没有的信息ALERT
<button onclick=search()>Search</button>
</body>
</html>
缺缺 发表于 2004-7-23 [所属栏目： JScript | 返回首页] |
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