Refactor query string building

lib/proto/attach-form.js

@@ -11,7 +11,8 @@ var formAction = function(el, event) {
   // Initialize requestOptions
   options.requestOptions = {
     requestUrl: el.getAttribute("action") || window.location.href,
-    requestMethod: el.getAttribute("method") || "GET"
+    requestMethod: el.getAttribute("method") || "GET",
+    requestParams: []
   }
 
   // create a testable virtual link of the form action
@@ -44,20 +45,20 @@ var formAction = function(el, event) {
 
   event.preventDefault()
 
-  var params = []
   for (var elementKey in el.elements) {
     var element = el.elements[elementKey]
     // jscs:disable disallowImplicitTypeConversion
     if (!!element.name && element.attributes !== undefined && element.tagName.toLowerCase() !== "button") {
       // jscs:enable disallowImplicitTypeConversion
       if ((!element.attributes.type || element.attributes.type.value !== "checkbox" && element.attributes.type.value !== "radio") || element.checked) {
-        params.push({name: encodeURIComponent(element.name), value: encodeURIComponent(element.value)})
+        options.requestOptions.requestParams.push({
+          name: encodeURIComponent(element.name),
+          value: encodeURIComponent(element.value)
+        })
       }
     }
   }
 
-  options.requestOptions.requestParams = params
-
   el.setAttribute(attrClick, "submit")
 
   options.triggerElement = el