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How to find the sum of an array of numbers
...ray is built
// from user input as it may be exploited eg:
eval([1,"2;alert('Malicious code!')"].join('+'))
Of course displaying an alert isn't the worst thing that could happen. The only reason I have included this is as an answer Ortund's question as I do not think it was clarified.
...
ASP.NET MVC Ajax Error handling
...ecuted:
$.ajax({
url: '/foo',
success: function(result) {
alert('yeap');
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
alert('oops, something bad happened');
}
});
and to register a global error handler you could use the $.ajaxSetup() method:
$...
Iterate through options
...
$("#selectId > option").each(function() {
alert(this.text + ' ' + this.value);
});
http://api.jquery.com/each/
http://jsfiddle.net/Rx3AP/
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Get the size of the screen, current web page and browser window
...Width,
y = win.innerHeight|| docElem.clientHeight|| body.clientHeight;
alert(x + ' × ' + y);
Fiddle
Please stop editing this answer. It's been edited 22 times now by different people to match their code format preference. It's also been pointed out that this isn't required if you only want t...
Check if a string has white space
... == "" || numericVal == null || numericVal.indexOf(' ') >= 0) {
alert("Please, enter a numeric value!");
isValid = false;
} else {
isValid = true;
}
}
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imp...
Convert SVG image to PNG with PHP
...: canvas.height,'w':canvas.width,"stemme":stemme } ,function(data,status){ alert(data+' '+status) });
}
</script>
And then convert it at the server (ProcessPicture.php) from (default) png to gif and save it. (you could have saved as png too then use imagepng instead of image gif):
//rec...
How to watch for array changes?
...d a generic observer function to that array:
_.observe(a, function() {
alert('something happened');
});
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Location Services not working in iOS 8
...
The message will appear as the sub-message in the Alert that asks whether the user would like to share their location. As such, simply being empty (blank) seems to make the most sense in my application. An explanation of why you want to use location would also make sense. Ho...
event.preventDefault() function not working in IE
...ault always works
$("mootoolsbutton").addEvent('click', function(event) {
alert(typeof(event.preventDefault));
});
// preventDefault missing in IE
<button
id="htmlbutton"
onclick="alert(typeof(event.preventDefault));">
button</button>
For all jQuery users out there you can fix ...
How to find keys of a hash?
...t.keys performing this operation:
var obj = { "a" : 1, "b" : 2, "c" : 3};
alert(Object.keys(obj)); // will output ["a", "b", "c"]
Compatibility details can be found here.
On the Mozilla site there is also a snippet for backward compatibility:
if(!Object.keys) Object.keys = function(o){
if (...