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Select one javascript for radio buttons

Posted on 2016-08-14
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Last Modified: 2016-08-14
I have the javascript below to make sure a user checks at least one checkbox.
Seems to work fine for checkboxes but not for radio buttons. I need help tweaking it so that it works.

I have a repeated region displaying names, they all have ids, I need the user to select one of the radio buttons.

<script language="JavaScript">
function oneCheckboxChecked(form){
for(f=0;f<form.length;f++){
if(form[f].type !="checkbox") continue;
if(form[f].checked){
return true;
}
}
alert("Select at least one User");{
return false;
}
}
</script>

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Question by:amucinobluedot
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3 Comments
 
LVL 18

Expert Comment

by:Rajar Ahmed
ID: 41755471
Try this,
<script language="JavaScript">
function oneCheckboxChecked(form){
for(f=0;f<form.length;f++){
if(form[f].type =="radio") 
if(form[f].checked){
return true;
}
}
alert("Select at least one User");
return false;
}
</script>

<form id="form1">
<input type="radio" name="gender" value="male" > Male<br>
  <input type="radio" name="gender" value="female"> Female<br>
  <input type="radio" name="gender" value="other"> Other

<input type="button" name="button" value="Click" onclick="oneCheckboxChecked(document.getElementById('form1'))"> <br>
</form>

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0
 

Author Comment

by:amucinobluedot
ID: 41755498
Can I apply it to onsubmit for the form instead ?
0
 
LVL 18

Accepted Solution

by:
Rajar Ahmed earned 2000 total points
ID: 41755510
Try this ,

<script language="JavaScript">
function oneCheckboxChecked(form){
for(f=0;f<form.length;f++){
if(form[f].type =="radio") 
if(form[f].checked){
return true;
}
}
alert("Select at least one User");
return false;
}
</script>

<form id="form1" onsubmit="return oneCheckboxChecked(this)">
<input type="radio" name="gender" value="male" > Male<br>
  <input type="radio" name="gender" value="female"> Female<br>
  <input type="radio" name="gender" value="other"> Other

<!--<input type="button" name="button" value="Click" onclick="oneCheckboxChecked(document.getElementById('form1'))">--> 
    
    <input type="submit" name="submit" value="Lets Submit"/> 
    <br>
</form>

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0

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