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December 16, 2015 20:39
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Useful Snippets for Mobile Web Development. Any comments or suggestions will be greatly appreciated.
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///////////////////////////////////////////////////////////////////////////////////////////////// | |
// USERAGENT SNIFFING / MOBILE BROWSER DETECTION | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i))) { | |
$("html").addClass("iosmobile"); | |
} | |
if(navigator.userAgent.match(/Android/i)){ | |
$("html").addClass("android"); | |
} | |
if(navigator.userAgent.match(/IEMobile/i)){ | |
if(navigator.userAgent.match(/MSIE 10/i)){ | |
$("html").addClass("ie-10"); | |
}else{ | |
$("html").addClass("ie-crap"); | |
} | |
} | |
if(navigator.userAgent.match(/BlackBerry/i)){ | |
$("html").addClass("blackberry"); | |
if(navigator.userAgent.match(/WebKit/i)){ | |
if(navigator.userAgent.match(/BB10/i)){ | |
//Assuming BB OS 10 (Touchscreen) | |
$("html").addClass("bb-os10"); | |
}else{ | |
//Assuming BB OS 6 - 7 & Tablet | |
$("html").addClass("bb-os7"); | |
} | |
}else{ | |
//Assuming this is BB OS 4.2 - 5.0 | |
$("html").addClass("bb-os5"); | |
} | |
} | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
// HANDLING TOUCHSTART & TAP EVENTS | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
var clickEventType=((document.ontouchstart!==null)?'click':'touchstart'); | |
Element.unbind().bind(clickEventType, function(e) { | |
DoSomething(); | |
}); | |
var tapEventType=((document.ontouchstart!==null)?'click':'tap'); | |
$.event.special.tap = { | |
setup: function(data, namespaces) { | |
var $elem = $(this); | |
$elem.bind('touchstart', $.event.special.tap.handler) | |
.bind('touchmove', $.event.special.tap.handler) | |
.bind('touchend', $.event.special.tap.handler); | |
}, | |
teardown: function(namespaces) { | |
var $elem = $(this); | |
$elem.unbind('touchstart', $.event.special.tap.handler) | |
.unbind('touchmove', $.event.special.tap.handler) | |
.unbind('touchend', $.event.special.tap.handler); | |
}, | |
handler: function(event) { | |
event.preventDefault(); | |
var $elem = $(this); | |
$elem.data(event.type, 1); | |
if (event.type === 'touchend' && !$elem.data('touchmove')) { | |
event.type = 'tap'; | |
$.event.handle.apply(this, arguments); | |
} else if ($elem.data('touchend')) { | |
$elem.removeData('touchstart touchmove touchend'); | |
} | |
} | |
}; | |
Element.unbind().bind(tapEventType, function(e) { | |
DoSomething(); | |
}); | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
// HIDE SCREEN KEYBOARD WHEN USER PRESS ENTER INSIDE INPUT FIELDS | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
document.onkeyup=function(e) { | |
if(e.which == 13){ | |
document.activeElement.blur(); | |
} | |
} | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
// ENTER/RETURN KEYPRESS DETECTION FUNCTION | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
$.fn.enterKey = function (fnc) { | |
return this.each(function () { | |
$(this).keypress(function (ev) { | |
var keycode = (ev.keyCode ? ev.keyCode : ev.which); | |
if (keycode == '13') { | |
fnc.call(this, ev); | |
}; | |
}); | |
}); | |
}; | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
// HIDING URL BAR IN BROWSER | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
setTimeout(function(){ | |
window.scrollTo(0, 0); | |
if(navigator.userAgent.match(/Android/i)){ | |
window.scrollTo(0,1); | |
} | |
}, 100); | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
// CONFIRM POPUP WHEN LEAVING PAGE | |
///////////////////////////////////////////////////////////////////////////////////////////////// | |
function ConfirmLeave(){ | |
if ($("html").hasClass("android")){ | |
window.onbeforeunload = function(){ | |
return 'Are you sure you want to leave?'; | |
}; | |
} | |
} | |
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