Created
February 16, 2016 05:56
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Use Ajax to create interactive user experiences!
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//Simple AJAX call using `$.get` shorthand method instead of `$.ajax` | |
$(document).ready(function() { | |
$('#tour').on('click', 'button', function() { | |
$.get('/photos.html',function(response) { | |
$('.photos').html(response).fadeIn(); | |
}); | |
}); | |
}); | |
// data option of ajax function | |
$(document).ready(function() { | |
$("#tour").on("click", "button", function() { | |
$.ajax('/photos.html', { | |
success: function(response) { | |
$('.photos').html(response).fadeIn(); | |
}, | |
data: { 'location': $('#tour').data('location') } | |
}); | |
}); | |
}); | |
//Ajax with errors: | |
$(document).ready(function() { | |
var el = $("#tour"); | |
el.on("click", "button", function() { | |
$.ajax('/photos.html', { | |
data: {location: el.data('location')}, | |
success: function(response) { | |
$('.photos').html(response).fadeIn(); | |
}, | |
error: function(request, errorType, errorMessage) { | |
errorMessage = 'you done fucked up'; | |
$('.photos').html('<li>Error:' +errorType+ ' with message: ' + errorMessage+'</li>'); | |
} | |
}); | |
}); | |
}); | |
//Adding styling CSS class to account for server request has been sent: | |
$(document).ready(function() { | |
$("#tour").on("click", "button", function() { | |
$.ajax('/photos.html', { | |
success: function(response) { | |
$('.photos').html(response).fadeIn(); | |
}, | |
error: function() { | |
$('.photos').html('<li>There was a problem fetching the latest photos. Please try again.</li>'); | |
}, | |
timeout: 3000, | |
beforeSend: function() { | |
$('#tour').addClass('is-fetching'); | |
}, | |
complete: function() { | |
$('#tour').removeClass('is-fetching'); | |
} | |
}); | |
}); | |
}); | |
// Event Delegation. The mouseover event is defined when the DOM loads, rater we should use event delegation to ensure they';; work when loaded via Ajax: | |
$(document).ready(function() { | |
function showPhotos() { | |
$(this).find('span').slideToggle(); | |
} | |
$('.photos').on('mouseenter' 'li', showPhotos) | |
.on('mouseleave' 'li', showPhotos); | |
var el = $("#tour"); | |
el.on("click", "button", function() { | |
$.ajax('/photos.html', { | |
data: {location: el.data('location')}, | |
success: function(response) { | |
$('.photos').html(response).fadeIn(); | |
}, | |
error: function() { | |
$('.photos').html('<li>There was a problem fetching the latest photos. Please try again.</li>'); | |
}, | |
timeout: 3000, | |
beforeSend: function() { | |
$('#tour').addClass('is-fetching'); | |
}, | |
complete: function() { | |
$('#tour').removeClass('is-fetching'); | |
} | |
}); | |
}); | |
}); | |
//Refactor to Objects to prevent overly nested function and overall difficult-to-read code. wrap ajax call into 'init' methof and insert into document.ready funtion: | |
var tour = { | |
init: function() { | |
$("#tour").on("click", "button", function() { | |
$.ajax('/photos.html', { | |
data: {location: $("#tour").data('location')}, | |
success: function(response) { | |
$('.photos').html(response).fadeIn(); | |
}, | |
error: function() { | |
$('.photos').html('<li>There was a problem fetching the latest photos. Please try again.</li>'); | |
}, | |
timeout: 3000, | |
beforeSend: function() { | |
$('#tour').addClass('is-fetching'); | |
}, | |
complete: function() { | |
$('#tour').removeClass('is-fetching'); | |
} | |
}); | |
}); | |
} | |
} | |
$(document).ready(function() { | |
tour.init(); | |
}); | |
// AJAX request on form element: | |
$(document).ready(function() { | |
$('form').on('submit', function(event) { | |
event.preventDefault(); | |
$.ajax('/book', { | |
type: 'POST', | |
data: $('form').serialize(), | |
success: function(result) { | |
$('.tour').html(result).fadeIn(); | |
} | |
}); | |
}); | |
}); | |
// Rendering HTML when AJAZ response is in JSON rather than HTML: | |
$(document).ready(function() { | |
$('form').on('submit', function(event) { | |
event.preventDefault(); | |
$.ajax('/book', { | |
type: 'POST', | |
data: $('form').serialize(), | |
dataType: 'json', | |
success: function(response) { | |
$('form').remove(); | |
$('.tour').hide().html('<p></p>') | |
.find('p') | |
.append('Trip to '+response.descrition+ 'for ' +response.nights+ ' nights, for a total of ' +response.price+ '. Your confirmation number is: ' +response.confirmation); | |
} | |
}); | |
}); | |
}); |
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