JSLint,The JavaScript Code Quality Tool

This link has been bookmarked by 1401 people . It was first bookmarked on 30 Mar 2006, by Russ.

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Used to test JavaScript

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"// set collection name
msg.collection = msg.req.params.collection;

// operation for the next node
msg.operation = 'insertOne';

// payload may be a string and need to be parsed to a JSON
if (typeof msg.payload !== 'object') {
msg.payload = JSON.parse(msg.payload);
}

// Checks if an _id is provided.
if(msg.payload._id !== undefined)
{
// _id may have to be parsed into a number
msg.payload._id = parseFloat(msg.payload._id);
}

return(msg);"

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"$.fn.alert_dialog = function(mensaje){

$('#dialog-message').remove();

var alertdialog = '<div id="dialog-message" title="<?=__('Alerta GCI')?>" > \
<p> <span class="ui-icon ui-icon-info" style="float: left; margin: 0 7px 0 0;"></span> \
' + mensaje + '</p> </div>';

$('body').append(alertdialog);

$("#dialog-message").dialog({
modal: true,
buttons: {
"<?=__('Aceptar',TRUE)?>": function(){
$(this).dialog("close");
return true;
}
}
});
}"

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Willard Roseberry
"
// Willard Roseberry
// Visual Frameworks (VFW)
// Mobile Development

// Do not start untill the DOM is ready and runing.
window.addEventListener("DOMContentLoaded", function(){
console.log("you are using the correct javascript file");

function say(){
console.log;
}

//Find value of selected radio
function getSelectedRadio(){
var radios = document.forms(0).gender;
for(var i=0; i<radios.length; i++){
if(radios[i].checked){
genderValue = radios[i].value;
}
}
}

function getCheckedboxValue(){
if(gu('fav').checked){
favoriteValue = gu('fav').value;
}else{
favoriteValue = "No"
}
}

//getElementById Function
function gu(x){
var theElement = document.getElementById(x);
return theElement;
}

//Create first select field element and populate with options.
function makeCreatures() {
var formTag = document.getElementsByTagName("form"), // form Tag is an arroy of all the form Tags.
selectLi = gu('selectcreatures'),
makeselectcreatures = document.createElement('select');
makeselectcreatures.setAttribute("id", "groups");
for(var i = 0, j=creaturePictures.length; i<j; i++) {
var makeOption = document.createElement('option');
var optText = creaturePictures[i];
makeOption.setAttribute("value", optText);
makeOption.innerHTML = optText;
makeselectcreatures.appendChild(makeOption);

}
selectLi.appendChild(makeselectcreatures);
}

// Make a 2nd select field
function makePizza(){
var formTag = document.getElementsByTagName("form"),
selectLi = gu('select'),
makeSelect = document.createElement('select');
makeSelect.setAttribute("id", "groups");
for(var i = 0, j = favioratePizza.length; i<j; i++){
var makeOption = document.createElement('option');
var optText = favioratePizza[i];
makeOption.setAttribute("value", optText);
makeOption.innerHTML = optText;
makeSelect.appendChild(makeOption);

}
selectLi.appendChild(makeSelect);
}

// find value of the checkboxes
function getCheckboxes() {
if (gu('favoritepizza').checked){
favoritepizza = gu('favoritepizza').value;

}else{
favoritepizza = "No"
};

}

function toggleMyControls(n) {
switch(n) {
case "on":

gu('pizzaForm').style.display = "none";
gu('clear').style.display = "inline";
gu('toggle').style.display = "inline";
gu('displayData').style.display = "none";

break;
case "off":
gu('pizzaForm').style.display = "block";
gu('clear').style.display = "inline";
gu('toggle').style.display = "block";
gu('displayData').style.display = "block";

break;
default:
return false;
}
}

function storeMyData(key){
if (!key) {
// if there is no key, this mean this is a brand new item and requires a new key

var id = Math.floor(Math.random()*1000000001);

}else{
// Set the id to the existing key we're editing so that it will save over the data
// the key is the same key that's been passed along from the editSubmit event handler
//to the validate function, and then passed here, into the storedata function
id = key;
}
// Geting all the form field values
// Object will contain a array and input values.

getCheckboxes();
var item = {};
item.groups =["How often do you eat here?", gu('groups').value];
item.iq =["IQ", gu('iq').value];
item.fname =["First Name", gu('fname').value];
item.lname =["Last Name", gu('lname').value];
item.email =["Email:", gu('email').value];
item.notes =["Notes:", gu('notes').value];
item.favorite =["Is Willard pizza shop your faviorate place to buy pizza?", favoritepizza];
item.gender =["Gender:", genderValue];

// Save information into local storage
// Use stringify to convert our object to a string.
localStorage.setItem(id, JSON.stringify(item));

// save to local storage
localStorage.setItem(id, JSON.stringify(item));
alert("Your faviate pizza is saved!");
}

function getMyData() {
toggleMyControls("on");
if (localStorage.length === 0) {
alert("There is no data in Local Storeage. I have loaded default data.");
getMyDefaultData();
}
//Write information for the Local Storeage to the brower.
var makeDiv = document.createElement('div');
makeDiv.setAttribute("id", "items");
var makeList = document.createElement('ul');
makeDiv.appendChild(makeList);
// document.body is writeing the user contents to the screen
// for the user to see.
document.body.appendChild(makeDiv);
gu('items').style.display = "block";
for (var i = 0, len =localStorage.length; i<len;i++) {
console.log("localStorge.length ="+ i +"")
var makeli = document.createElement('li');
var createLinks = document.createElement('li');
makeList.appendChild(makeli);
var key = localStorage.key(i);
var value = localStorage.getItem(key);
// make from string to an object using json
var obj = JSON.parse(value);
var makeSubLink = document.createElement('ul');
makeli.appendChild(makeSubLink);
// Makeing a sublist image dynamicly for each catagory of the list
getMyCustomImage(obj.groups[1],makeSubLink);
console.log("groups")+ groups[1] + makeSubLink + " makesublink here";
for (var n in obj) {
var makeSubli = document.createElement('li');
makeSubLink.appendChild(makeSubli);
var optSubText = obj[n][0]+" "+obj[n][1];
makeSubli.innerHTML = optSubText;
makeSubLink.appendChild(createLinks);

}
makeEditAndDeleteLinks(localStorage.key(i), createLinks); // create our edit and delete links
}
}
//Get the image for the right category that is being displayed
function getMyCustomImage(pictureName, makeSubLink) {
var createLinks = document.createElement('li');
makeSubLink.appendChild(createLinks);
var newImg = document.createElement('img');
var setSrc = newImg.setAttribute("src", "images/"+ pictureName + ".png");
createLinks.appendChild(newImg);

}

//seperate add image funtion to seperate the defalt information from the rest of the data
function getMyNewImage() {
toggleMyControls("on");
if (localStorage.length === 0) {
alert("There is no data in Local Storeage. I have loaded default data.");
getMyDefaultData();
}
//Write information for the Local Storeage to the brower.
var makeDiv = document.createElement('div');
makeDiv.setAttribute("id", "items");
var makeList = document.createElement('ul');
makeDiv.appendChild(makeList);
// document.body is writeing the user contents to the screen
// for the user to see.
document.body.appendChild(makeDiv);
gu('items').style.display = "block";
for (var i = 0, len =localStorage.length; i<len;i++) {
console.log("localStorge.length ="+ i +"")
var makeli = document.createElement('li');
var createLinks = document.createElement('li');
makeList.appendChild(makeli);
var key = localStorage.key(i);
var value = localStorage.getItem(key);
// make from string to an object using json
var obj = JSON.parse(value);
var makeSubLink = document.createElement('ul');
makeli.appendChild(makeSubLink);
// Makeing a sublist image dynamicly for each catagory of the list
getMyCustomImage(obj.groups[1],makeSubLink);
console.log("groups")+ groups[1] + makeSubLink + " makesublink here";
for (var n in obj) {
var makeSubli = document.createElement('li');
makeSubLink.appendChild(makeSubli);
var optSubText = obj[n][0]+" "+obj[n][1];
makeSubli.innerHTML = optSubText;
makeSubLink.appendChild(createLinks);

}
makeEditAndDeleteLinks(localStorage.key(i), createLinks); // create our edit and delete links
}
}
//Get the image for the right category that is being displayed
function getMyCustomImage(pictureName, makeSubLink) {
var createLinks = document.createElement('li');
makeSubLink.appendChild(createLinks);
var newImg = document.createElement('img');
var setSrc = newImg.setAttribute("src", "images/"+ pictureName + ".png");
createLinks.appendChild(newImg);

}

// Link the seperate item to be able to edit and delete seperate for each stored item on the display
function makeEditAndDeleteLinks(key, createLinks){
// Create the edit items and delete
var editSingleItem = document.createElement('a');
editSingleItem.href = "#";
editSingleItem.key = key;
var editMyText = "Edit faviorate pizza";
editSingleItem.addEventListener("click", editMyPizzaItem);
editSingleItem.innerHTML= editMyText;
createLinks.appendChild(editSingleItem);

//add a line break inbetween the dynamic edit and delete links
var breakMyTag = document.createElement('br');
createLinks.appendChild(breakMyTag);

//add a delete a single item link
var deleteMyLink = document.createElement('a');
deleteMyLink.href = "#";
deleteMyLink.key = key;
var deleteMyText = "Delete my faviorate Pizza";
deleteMyLink.addEventListener("click", deleteMyFavioratePizza);
deleteMyLink.innerHTML = deleteMyText;
createLinks.appendChild(deleteMyLink);
}

function editMyPizzaItem() {
// Get information from the faviorate Pizza Storage
var value = localStorage.getItem(this.key);
var item = JSON.parse(value);

//Show the form
toggleMyControls("off");

//populate the form field with the current localStorage values.
gu('groups').value = item.groups[1];
gu('iq').value = item.groups[1];
gu('fname').value = item.fname[1];
gu('lname').value = item.lname[1];
gu('email').value = item.email[1];
gu('notes').value = item.notes[1];
var checkbox = document.forms[0].Pizzalovers;
var radios = document.forms[0].gender;
// creating an array to store the boxes the customer has checked with customersCheckedBoxes customersCheckedBoxes
var customersCheckedBoxes = [ ];
for (var i=0; i<checkbox.length; i++){
if (checkbox[i].value == "Pizzalovers" && item.Pizzalovers == "Peperoni"){
checkbox[i].setAttribute("checked", "checked");
}else if (checkbox[i].value == "pizzalovers" && item.Pizzalovers[1] == "pizzalovers") {
checkbox[i].setAttribute("checked", "checked");
}
}
if (item.favorite[1] == "Yes") {

gu('Pizzalovers').setAttribute("checked", "checked");
}
// remove the initial listener from the input save contact.
saveData.removeEventListener("click", storeMyData);
//Change Sumbit Button Value to Edit Button
gu('submit').value = "Edit Storage";
var editSubmit = gu('submit');
//Save the key value established in this funtion as a property of the edit submit event
// so we can use that value when we save the data we edited.
editSubmit.addEventListener("click", InformationIsCorrect);
editSubmit.key = this.key;
}

//Default Data for local Store to make testing the program easier to test without haveing
//To populate the form with information all the time.
function getMyDefaultData() {
//The file is comeing from out jason file that is loaded by our HTML page.
for (var n in json) {
var id = Math.floor(Math.random()*1000000001);
localStorage.setItem(id, JSON.stringify(json[n]));
//code
}

}

function deleteMyFavioratePizza(){
var ask = confirm("Are you sure you want to delete this item?");
if (ask){
localStorage.removeItem(this.key);
alert("Contact was deleted");
window.location.reload();
}else{
alert("Contact was Not deleted.")
}
}

//Find the value of the gender radio button.
function getSelectedRadio(){
var radios = document.forms[0].gender;
for (var i=0; i<radios.length; i++){
if(radios[i].checked){
genderValue = radios[i].value;
}
}
}

function clearLocalStorage() {
if(localStorage.length === 0){
alert("There is no data to clear.")
}else{
localStorage.clear();
alert("All the pizza favorates have been cleared");
window.location.reload();
return false;
}
}

function InformationIsCorrect(eventData) {
// Define elements we want to check
var getMyFirstname = gu('fname');
var getMyLastname = gu('lname');
var getMyEmail = gu('email');

function deleteText(elemid){
document.getElementById(elemid ).value = '';
console.log("inside deleteText function");
}

// Reset Error Messages
errorMessage.innerHTML = "";
getMyFirstname.style.border = "2px solid blue";
getMyLastname.style.border = "2px solid blue";
getMyEmail.style.border = "2px solid blue";

// Validating first name
var mymessageAry = [ ];
//First name Validation
if (getMyFirstname.value === ""){
var firstNameErrorMessage = "Please enter you first name";
getMyFirstname.style.border = "2px solid red";
mymessageAry.push(firstNameErrorMessage);
}

// Validating last name
var mymessageAry = [ ];
//Last name Validation
if (getMyLastname.value === ""){
var lastNameErrorMessage = "Please enter you last name";
getMyLastname.style.border = "2px solid red";
mymessageAry.push(lastNameErrorMessage);
}
// Validating email
var regularex = /^\s*[\w\-\+_]+(\.[\w\-\+_]+)*\@[\w\-\+_]+\.[\w\-\+_]+(\.[\w\-\+_]+)*\s*$/;
if (!(regularex.exec(getMyEmail.value))){
var myEmailErrorMessage = "Please enter a valid email address.";
getMyEmail.style.border = "2px solid red";
mymessageAry.push(myEmailErrorMessage);
}

/*if (getMyFirstname.value === "" && getMyLastname.value === "" && (!(regularex.exec(getMyEmail.value)))){
alert( firstNameErrorMessage +" " + " " +lastNameErrorMessage + " " + myEmailErrorMessage);
}

*/

//If there is an error display them on the screen.
if (mymessageAry.length >= 1){
for(var i=0, j=mymessageAry.length; i < j; i++) {
var myTxt = document.createElement('li');
myTxt.innerHTML = mymessageAry[i];
errorMessage.appendChild(myTxt);

}
eventData.preventDefault();
return false;

}else{
//If all the fields are correcet then save the data
storeMyData(this.key);
// send the key value with came from the edit data funtion.

}

}

// Variables
var favioratePizza = ["--How often?--", "Daily", "Weekly", "Monthly", "Ocaionaly", "Never", "All_the_time"],
genderValue = "No"
errorMessage = gu('errors');
;
makePizza();

//Variable defaults
var creaturePictures = ["--Pick a creature--", "Flutterbie", "Quwertyuiop", "Soannev", "Jigdog", "Diph", "Favi", "Lolt", "Nimaeht"];
makeCreatures();

//Set link & Clink Events

var triggerMyControls =gu('toggle');
triggerMyControls.addEventListener("click", toggleMyControls);

var displayLink =gu('displayData');
displayLink.addEventListener("click", getMyData);

var clearData =gu('clear');
//var changeData = gu()
clear.addEventListener("click", clearLocalStorage);

var saveData =gu('submit');
saveData.addEventListener("click", InformationIsCorrect);

//Console.log output
say("hello is this working with a funtion");
console.log("is this working the real console.log");
//Set checkbox & Radio Click Events: Attach event listener to each radio & checkobx.
var checkbox = gu('favoritePizza');
// checkbox.addEventListener("click", getCheckboxes);
// radios[i].addEventListener("click", getSelectedRadio);
var radios = document.forms[0].gender;
for (var i=0; i<radios.length; i++){

}

});

console.log("outside the event lisener");"

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Page Comments

Marcos on 2006-07-25

Javascript Verifier
Isaah F on 2012-07-12

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