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Cannot set boolean values in LocalStorage?
...f LocalStorage can save boolean values but I can tell you that when you do alert("true" == true); it will never evaluate to true because you are implicitly comparing a string to a boolean. That is why to set boolean values you use true instead of "true".
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Get Substring between two characters using javascript
...plit()
var s = 'MyLongString:StringIWant;';
var arrStr = s.split(/[:;]/);
alert(arrStr);
arrStr will contain all the string delimited by : or ;
So access every string through for-loop
for(var i=0; i<arrStr.length; i++)
alert(arrStr[i]);
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What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
...t a bigger problem on my hands. This throws a Reference Error too: <% alert('test'); %>
– Aashay Desai
Mar 21 '11 at 0:34
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How to extract extension from filename string in Javascript? [duplicate]
...astIndexOf() as opposed to indexOf()
var myString = "this.is.my.file.txt"
alert(myString.substring(myString.lastIndexOf(".")+1))
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How to extract the hostname portion of a URL in JavaScript
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Use document.location object and its host or hostname properties.
alert(document.location.hostname); // alerts "stackoverflow.com"
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How to get screen width without (minus) scrollbar?
..., html').css('overflow', 'visible');
var screenWidth2 = $(window).width();
alert(screenWidth1); // Gives the screenwith without scrollbar
alert(screenWidth2); // Gives the screenwith including scrollbar
You can get the screen width by with and without scroll bar by using this code.
Here, I have ch...
Creating a jQuery object from a big HTML-string
...eHTML('<div><input type="text" value="val" /></div>'));
alert( dom_nodes.find('input').val() );
DEMO
var string = '<div><input type="text" value="val" /></div>';
$('<div/>').html(string).contents();
DEMO
What's happening in this code:
$('<div/>')...
How to communicate between iframe and the parent site?
...ame:
window.onmessage = function(e){
if (e.data == 'hello') {
alert('It works!');
}
};
If you are posting message from iframe to parent window
window.top.postMessage('hello', '*')
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Calculate relative time in C#
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Seb, If you have Javascript disabled, then the string you originally put between the abbr tags is displayed. Typically, this is just a date or time in any format you wish. Timeago degrades gracefully. It doesn't get much simpler.
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What is the difference between substr and substring?
...s parameters as (from, length).
Update: MDN considers substr legacy.
alert("abc".substr(1,2)); // returns "bc"
alert("abc".substring(1,2)); // returns "b"
You can remember substring takes indices, as does yet another string extraction method, slice.
When starting from 0 you can use either m...