external_javascript_example.js

window.onload=function(){(function reviewFormListener(){form=document.getElementById("review-form");form.addEventListener("submit",placeReview);})();};var placeReview=function(event){event.preventDefault();var reviewElement=createReview(event);var reviewSection=document.getElementById('reviews');reviewSection.insertBefore(reviewElement,reviewSection.childNodes[2]);};var createReview=function(event){var name=document.createTextNode(getName(event));var rating=document.createTextNode(getRating(event));var expertise=document.createTextNode(getExpertise(event));var review=document.createTextNode(getReview(event));var nameHeader=document.createElement('h4');var ratingParagraph=document.createElement('p');var expertiseParagraph=document.createElement('p');var reviewParagraph=document.createElement('p');nameHeader.appendChild(name);ratingParagraph.appendChild(rating);expertiseParagraph.appendChild(expertise);reviewParagraph.appendChild(review);var reviewElements=[nameHeader,ratingParagraph,expertiseParagraph,reviewParagraph];var reviewElement=document.createElement('div');reviewElements.forEach(function(el){reviewElement.appendChild(el);});reviewElement.id=name.textContent+'_review';reviewElement.className='user_review';return reviewElement;};var getName=function(event){return event.target.children.name.value;};var getRating=function(event){var ratingScore;var formChildren=event.target.children;for(var i=0;i<formChildren.length;i++){if(formChildren[i].type==="radio"&&formChildren[i].checked){ratingScore=formChildren[i].value;}}
return 'Rating: '+ratingScore;};var getExpertise=function(event){var dropdown=event.target.children.expertise;return 'Expertise: '+dropdown.options[dropdown.selectedIndex].text;};var getReview=function(event){var reviewText;var formChildren=event.target.children;for(var i=0;i<formChildren.length;i++){if(formChildren[i].tagName==="LABEL"&&formChildren[i].children[0]){reviewText=formChildren[i].children[0].value;}}
return reviewText;};