Find In Page - JavaScript Made Easy: Free JavaScripts Tutorials Example Code

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JavaScript Basics

Inserting Javascript

Complete Tutorial

Advance DHTML Tutorial


Find In Page

This cross browser DHTML script simulates the Edit> Find In Page feature of the browser to allow your visitors to more easily search for a particular text on your page. As in the "Find In Page" feature, it highlights the searched text if found, otherwise, prompts a "Not Found" message. If your page contains lots of textual content, definitely consider adding this script to make it more search friendly.


Insert into <HEAD>


Insert into <BODY>
<script language="JavaScript"> var NS4 = (document.layers); // Which browser? var IE4 = (document.all); var win = window; // window to search. var n = 0; function findInPage(str) { var txt, i, found; if (str == "") return false; // Find next occurance of the given string on the page, wrap around to the // start of the page if necessary. if (NS4) { // Look for match starting at the current point. If not found, rewind // back to the first match. if (!win.find(str)) while(win.find(str, false, true)) n++; else n++; // If not found in either direction, give message. if (n == 0) alert("Not found."); } if (IE4) { txt = win.document.body.createTextRange(); // Find the nth match from the top of the page. for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) { txt.moveStart("character", 1); txt.moveEnd("textedit"); } // If found, mark it and scroll it into view. if (found) { txt.moveStart("character", -1); txt.findText(str); txt.select(); txt.scrollIntoView(); n++; } // Otherwise, start over at the top of the page and find first match. else { if (n > 0) { n = 0; findInPage(str); } // Not found anywhere, give message. else alert("Not found."); } } return false; } </script> <form name="search" onSubmit="return findInPage(this.string.value);"> <font size=3><input name="string" type="text" size=15 onChange="n = 0;"></font> <input type="submit" value="Find"> </form>

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