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Editorial Team
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Asked: 2026-06-08T01:56:32+00:00

Here is my code File external.js: var TRange=null; function findString (str) { if (parseInt(navigator.appVersion)<4)

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Here is my code

File external.js: 

var TRange=null;

function findString (str) {
 if (parseInt(navigator.appVersion)<4) return;
 var strFound;
 if (window.find) {

  // CODE FOR BROWSERS THAT SUPPORT window.find

  strFound=self.find(str);
  if (!strFound) {
   strFound=self.find(str,0,1);
   while (self.find(str,0,1)) continue;
  }
 }
 else if (navigator.appName.indexOf("Microsoft")!=-1) {

  // EXPLORER-SPECIFIC CODE

  if (TRange!=null) {
   TRange.collapse(false);
   strFound=TRange.findText(str);
   if (strFound) TRange.select();
  }
  if (TRange==null || strFound==0) {
   TRange=self.document.body.createTextRange();
   strFound=TRange.findText(str);
   if (strFound) TRange.select();
  }
 }
 else if (navigator.appName=="Opera") {
  alert ("Opera browsers not supported, sorry...")
  return;
 }
 if (!strFound) alert ("String '"+str+"' not found!")
 return;
}

File Search.html:

<html>
<head></head>
<title>Search</title>
<body>
<form name="input" action = "external.js">
Search for: <input type="text" name="keytext" /><br />
</form>
<p> You can search this text. Search the text again</p>
</body>
</html>

I am looking for a method to modify the form part of the HTML file such that it can make a call to the external JavaScript (external.js) and pass the parameters. The parameter will be the text in the input box.

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1 Answer

  1. Editorial Team

    in your search.html add a reference to the javascript file. like so

    <script src="external.js" type="text/javascript"></script>

    you can then call functions within the javascript file like so

    <input type="text" name="keytext" onClick='findString("test")'/>

    in this example you’d be passing the string “test” to your function findString

    Edit: you can use other events like onblur as well, it all depends when you want to fire the event.

    Hope this helps.

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