how to set radio button checked validation in javascript?

Today, We want to share with you radio button validation in javascript.In this post we will show you HTML DOM Input Radio checked Property, hear for how to set radio button checked in javascript we will give you demo and example for implement.In this post, we will learn about Get Selected Radio Button Value Using JQuery with an example.

RADIO BUTTON VALIDATION USING JAVASCRIPT

Example 1: index.html

Your Gender:  Male
 Female

Example 2: index.html

Valuable Product 1: 

Valuable Product 2: 

Valuable Product 3: 

Valuable Product 4: 

Example 3: index.html

  
 // Add script tag here
  function ValidateForm(form){
  ErrorText= "";
  if ( ( form.gender[0].checked == false ) && ( form.gender[1].checked == false ) ) 
  {
  alert ( "Please Select your Gender: Male or Female" ); 
  return false;
  }
  if (ErrorText= "") { form.submit() }
  }
 // Close script tag here 
 
  
 

   Gender: 
      Male
   Female
  
    
    
 
  
 
  
  

I hope you get an idea about How to check a radio button using JavaScript?.
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