Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Content changes dynamically using javascript but effects does not remain permanant

more options

When I use javascript to change font/color/size or inner html, it works temporarily only. Changes does not remain permanent. e.g.

<title>Showing Charset</title> <style type="text/css"> .head_class {color:red;font-size:60;font-family:impact;} </style>

<script type="text/JavaScript"> function chngFont() { var el2 = document.getElementById('myfont'); var sfont = el2.value; document.getElementById('head').className = 'head_class'; document.getElementById('head').innerHTML = sfont; // alert(document.seefont.fonttosee.value); } </p><p></script>

Charset

<form name="seefont"> <input type="text" id="myfont" name="fonttosee" size="20" value="arial"> <button onclick="chngFont()">Change font</button> </form>


When I click the button class head_class is applied to heading id "head" and even the text is change to font name entered but just momentarily. If I use alert in the function, the changes remain only till alert is on the screen. The same code works in IE forever ( The changes remain permanent. What are the settings in firefox to make the changes using javascript permanent ?

When I use javascript to change font/color/size or inner html, it works temporarily only. Changes does not remain permanent. e.g. <HTML> <BODY BGCOLOR#FFFF00> <HEAD><TITLE>Showing Charset</TITLE> <STYLE type="text/css"> .head_class {color:red;font-size:60;font-family:impact;} </STYLE> <script type="text/JavaScript"> function chngFont() { var el2 = document.getElementById('myfont'); var sfont = el2.value; document.getElementById('head').className = 'head_class'; document.getElementById('head').innerHTML = sfont; // alert(document.seefont.fonttosee.value); } </script> </head> <body bgcolor=#ffff00> <h1 align=center id="head">Charset</h1> <form name=seefont > <input type="text" id="myfont" name="fonttosee" size=20 value="arial"> <button onclick="chngFont()">Change font</button> </form> </BODY></HTML> When I click the button class head_class is applied to heading id "head" and even the text is change to font name entered but just momentarily. If I use alert in the function, the changes remain only till alert is on the screen. The same code works in IE forever ( The changes remain permanent. What are the settings in firefox to make the changes using javascript permanent ?

Modified by mahesh_chavan

Chosen solution

Your <button> might be submitting the form and causing the page to refresh. Try this to prevent form submission:

<button onclick="chngFont(); return false;">
Read this answer in context 👍 1

All Replies (2)

more options

Seçilmiş Həll

Your <button> might be submitting the form and causing the page to refresh. Try this to prevent form submission:

<button onclick="chngFont(); return false;">
more options

Thank you so much jscher2000 ! Firefox reloads the page automatically and that was the problem. Now the changes remains permanent

Modified by mahesh_chavan