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JavaScript click handler not working as expected inside a for loop [duplicate]
... (function (i) {
$("#div" + i).click(
function () { alert(i); }
);
})(i);
}
UPDATE
Updated DEMO
Or you can use 'let' instead var to declare i. let gives you fresh binding each time. It can only be used in ECMAScript 6 strict mode.
'use strict';
for(let i=1; ...
How to use underscore.js as a template engine?
I'm trying to learn about new usages of javascript as a serverside language and as a functional language. Few days ago I heard about node.js and express framework. Then I saw about underscore.js as a set of utility functions. I saw this question on stackoverflow
. It says we can use underscore.js ...
jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...succeed, but Firefox does not pass the contents of the response to the Javascript.
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registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later
...I have is the pre-release documentation: "Apps that use visible or audible alerts in conjunction with a local or push notification must register the types of alerts they employ." As to "why," I only have my interpretation: end-user convenience to not be bothered by messages, regardless of source.
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Create an enum with string values
.../ this will show message '0' which is number representation of enum member
alert(States.Active);
// this will show message 'Disabled' as string representation of enum member
alert(States[States.Disabled]);
Update 1
To get number value of enum member from string value, you can use this:
var str...
Safari 3rd party cookie iframe trick no longer working?
...ard tricks to get 3rd party cookies in Safari was as follows: use some javascript to POST to a hidden iframe. It (used to) trick Safari into thinking that the user had interacted with the 3rd party content and so then allow cookies to be set.
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Disable browser's back button
...
I came up with a little hack that disables the back button using JavaScript. I checked it on chrome 10, firefox 3.6 and IE9:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/x...
How do you check if a variable is an array in JavaScript? [duplicate]
...ke to check whether a variable is either an array or a single value in JavaScript.
23 Answers
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How do you check that a number is NaN in JavaScript?
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Use this code:
isNaN('geoff');
See isNaN() docs on MDN.
alert ( isNaN('abcd')); // alerts true
alert ( isNaN('2.0')); // alerts false
alert ( isNaN(2.0)); // alerts false
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Convert SVG image to PNG with PHP
...ap.svg');?>
</div>
then changing the colors is as easy as:
<script type="text/javascript" src="/path/to/jquery.js"></script>
<script type="text/javascript">
$('#CA').css('fill', 'blue');
$('#NY').css('fill', '#ff0000');
</script>
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