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@bullgare
Created April 8, 2013 11:34
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form serialization in pure js
serialize: function serialize(form)
{
if (!form || form.nodeName !== "FORM") {
return;
}
var i, j,
obj = {};
for (i = form.elements.length - 1; i >= 0; i = i - 1) {
if (form.elements[i].name === "") {
continue;
}
switch (form.elements[i].nodeName) {
case 'INPUT':
switch (form.elements[i].type) {
case 'text':
case 'hidden':
case 'password':
case 'button':
case 'reset':
case 'submit':
obj[form.elements[i].name] = encodeURIComponent(form.elements[i].value);
break;
case 'checkbox':
case 'radio':
if (form.elements[i].checked) {
obj[form.elements[i].name] = encodeURIComponent(form.elements[i].value);
}
break;
case 'file':
break;
}
break;
case 'TEXTAREA':
obj[form.elements[i].name] = encodeURIComponent(form.elements[i].value);
break;
case 'SELECT':
switch (form.elements[i].type) {
case 'select-one':
obj[form.elements[i].name] = encodeURIComponent(form.elements[i].value);
break;
case 'select-multiple':
for (j = form.elements[i].options.length - 1; j >= 0; j = j - 1) {
if (form.elements[i].options[j].selected) {
obj[form.elements[i].name] = encodeURIComponent(form.elements[i].options[j].value);
}
}
break;
}
break;
case 'BUTTON':
switch (form.elements[i].type) {
case 'reset':
case 'submit':
case 'button':
obj[form.elements[i].name] = encodeURIComponent(form.elements[i].value);
break;
}
break;
}
}
return obj;
}
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