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HTML Input=“file” Accept Attribute File Type (CSV)
...browsers as far as I know, But here is an alternative to it, Try this
<script type="text/javascript" language="javascript">
function checkfile(sender) {
var validExts = new Array(".xlsx", ".xls", ".csv");
var fileExt = sender.value;
fileExt = fileExt.substring(fileExt.lastIndexOf(...
How do you implement a Stack and a Queue in JavaScript?
What is the best way to implement a Stack and a Queue in JavaScript?
24 Answers
24
...
How can I use a batch file to write to a text file?
I need to make a script that can write one line of text to a text file in the same directory as the batch file.
7 Answers
...
CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
...rences instance fields:
class A
constructor: (@msg) ->
thin: -> alert @msg
fat: => alert @msg
x = new A("yo")
x.thin() #alerts "yo"
x.fat() #alerts "yo"
fn = (callback) -> callback()
fn(x.thin) #alerts "undefined"
fn(x.fat) #alerts "yo"
fn(-> x.thin()) #alerts "yo"
As y...
is it possible to change values of the array when doing foreach in javascript?
...ree"];
arr.forEach(function(part) {
part = "four";
return "four";
})
alert(arr);
First off, here is where you should be reading about Array.prototype.forEach():
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
Second, let's talk briefly about v...
Parse string to date with moment.js
...t('DD-MM-YYYY'); var dateCalendarPart = moment(date).format('YYYY/MM/DD'); alert(date); alert(dateCalendarPart); Gives an invalid date error?????
– Andrew Day
Jun 15 '16 at 11:17
...
Multiple left-hand assignment with JavaScript
...: v1 = v2 = v3 = 6; They'll still be in local scope. Since David mentioned alerts, this would work as expected (if pre-var'd): alert(v1 = v2 = v3 = 6);
– ShawnFumo
Sep 10 '13 at 20:11
...
Detect Chrome extension first run / update
...ion was unsuspended, the onInstalled event never fired and thus the update script never ran. Worth mentioning for those who run update scripts onInstalled, you might need to listen for a different event in situations where you have requested a new permission.
– Elimn
...
JavaScript Date Object Comparison
...ed, and two objects are never equal to each other. Coerce them to number:
alert( +startDate2 == +startDate3 ); // true
If you want a more explicity conversion to number, use either:
alert( startDate2.getTime() == startDate3.getTime() ); // true
or
alert( Number(startDate2) == Number(startDate3)...
Calculate distance between two points in google maps V3
... overridden with a custom value if necessary.
Make sure you include:
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&v=3&libraries=geometry"></script>
in your head section.
The call will be:
google.maps.geometry.spherical.computeDistanceB...