大约有 10,000 项符合查询结果（耗时：0.0448秒） [XML]
How to get value of selected radio button?
...could do something like this:
var form = document.getElementById("test");
alert(form.elements["test"].value);
The JSFiddle to prove it: http://jsfiddle.net/vjop5xtq/
Please note this was implemented in Firefox 33 (All other major browser seems to support it). Older browsers will require a polfyi...
jQuery trigger file input
...cument).ready(function() {
$('#myfile').change(function(evt) {
alert($(this).val());
});
});
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How to play an android notification sound
...'t want it to play as a media file, I want it to play as a notification or alert or ringtone. heres an example of what my code looks like right now:
...
How do I disable directory browsing?
...me directory as my web page but it is still giving me a directory browsing alert. Am I doing something wrong?
– Randy Gilman
Feb 12 '16 at 23:16
10
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Converting an object to a string
... as JSON.
var object = {};
object.first = "test";
object.second = "test2";
alert(object.toSource());
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Return positions of a regex match() in Javascript?
...
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
...
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
...
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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