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Return positions of a regex match() in Javascript?
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var str = 'my string here';
var index = str.match(/here/).index;
alert(index); // <- 10
I have successfully tested this all the way back to IE5.
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Adding two numbers concatenates them instead of calculating the sum
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var x = parseInt(stringValueX, 10);
var y = parseInt(stringValueY, 10);
alert(x + y);
Hope this helps!
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View markdown files offline [closed]
... MarkdownPad seemed to go into mothballs a while back, so I (Disclosure alert: Yes, I made & sell this) made MarkUpDown, which isn't too shabby at $15. Should be GitHub Markdown friendly, and if it isn't, let me know how it isn't & I'll get it fixed.
– ruffin
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How do I subtract minutes from a date in javascript?
...ear();
var displayDate = monthNames[monthIndex] + ' ' + day + ', ' + year;
alert('Date is now: ' + displayDate);
Sources:
http://www.javascriptcookbook.com/article/Perform-date-manipulations-based-on-adding-or-subtracting-time/
https://stackoverflow.com/a/12798270/1873386
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Check if a number has a decimal place/is a whole number
...re it to zero like so:
function Test()
{
var startVal = 123.456
alert( (startVal - Math.floor(startVal)) != 0 )
}
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What exactly does @synthesize do?
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jameshfisher's comment was meant to alert you that you have confused synchronize and synthesize in your answer. You use the two interchangeably.
– Maple
May 10 '16 at 17:32
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Getting values from query string in an url using AngularJS $location
...tion.search(); reutrn object
// searchObject = { foo = 'abcd' };
alert( searchObject.foo );
} ]);
So the out put should be abcd
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How to trigger HTML button when you press Enter in textbox?
...фрактал'
type=submit
formaction='javascript:alert("Bingo!");'>
<span class='glyphicon glyphicon-send'> </span> Render
</button>
Tested in FF24 and Chrome 35 (formaction is html5 feature, but type is not).
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JavaScript - get the first day of the week from current date
... 1
// multiplied by negative 24
alert(today); // will be Monday
Or as a function:
# modifies _date_
function setToMonday( date ) {
var day = date.getDay() || 7;
if( day !== 1 )
date.setHours(-24 * (day - 1));
return date;
}
setTo...
Split large string in n-size chunks in JavaScript
...h(str.substr(0, chunkSize));
str = str.substr(chunkSize);
}
}
alert(chunks); // chunks == 12,34,56,78,9
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