Setting radio button and checkbox in a form using JavaScript

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The code

function setHostingConfiguration(helperFormObj, targetFormObj) {
  var linux;
  var db_performance;
        var data_crucial;

  if(helperFormObj.linux_friendly.checked==true) {
    linux = true;
  } else {
    linux = false;
  }

  if(helperFormObj.db_performance[0].checked==true) {
    db_performance = true;
  } else {
    db_performance = false;
  }

  if(helperFormObj.data_crucial[0].checked==true) {
    data_crucial = true;
  } else {
    data_crucial = false;
  }

  if(linux) {
    targetFormObj.os[0].checked = true;
    if(db_performance) {
      targetFormObj.db[2].checked = true;
    } else {
      targetFormObj.db[0].checked = true;
    }
  } else {
    targetFormObj.os[1].checked = true;
    if(db_performance) {
      targetFormObj.db[2].checked = true;
    } else {
      targetFormObj.db[1].checked = true;
    }
  }

  if(data_crucial) {
    targetFormObj.backups_needed.checked = true;
  } else {
    targetFormObj.backups_needed.checked = false;
  }
}


function showHostingConfiguration(oForm) {
  var msg = "The data that you entered for the form with 'name' attribute='" + oForm.name + "': \n";
 
  for (i = 0; i < oForm.length, oForm.elements[i].getAttribute("type") !== 'button'; i++) {
    msg += oForm.elements[i].tagName + " with 'name' attribute='" + oForm.elements[i].name + "' and value attribute='" + oForm.elements[i].value + "': ";
    if(oForm.elements[i].checked == true) {
    msg += "checked \n";
    } else {
    msg += "not checked \n";
    }
  }

  alert(msg);
}


Download the code here: javascript-form-value-checkbox-example.zip

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