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How can I find the length of a number?
I'm looking to get the length of a number in JavaScript or jQuery?
13 Answers
13
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String to object in JS
...string value that it takes on is to the right.
Note that Array.forEach is JavaScript 1.6 -- you may want to use a toolkit for maximum compatibility.
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Set opacity of background image without affecting child elements
... be a child.. and in the document flow... and also do not want to bring in javascript/flash for this; prefer pure CSS.
– govinda
May 14 '12 at 19:58
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Kotlin Ternary Conditional Operator
...distinction between expression and statement is important here. In Java/C#/JavaScript, if forms a statement, meaning that it does not resolve to a value. More concretely, you can't assign it to a variable.
// Valid Kotlin, but invalid Java/C#/JavaScript
var v = if (a) b else c
If you're coming fr...
What is correct HTTP status code when redirecting to a login page?
...dden must be returned.
You should do the redirect on client side, e.g. by javascript. status code for redirection because required authorization does not exist. Using 30x for this does not conform to HTTP.
How to Think About HTTP Status Codes by Mark Nottingham
401 Unauthorized triggers HTTP...
In an array of objects, fastest way to find the index of an object whose attributes match a search
...an find the polyfill for findIndex at developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– mrogers
Jan 11 '17 at 21:50
2
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How can I reorder my divs using only CSS?
...st not a robust solution. The best option in your case would be to turn to javascript. In jQuery, this is a very simple task:
$('#secondDiv').insertBefore('#firstDiv');
or more generically:
$('.swapMe').each(function(i, el) {
$(el).insertBefore($(el).prev());
});
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Check if an element is present in an array [duplicate]
...is an object. This is because similar objects are two different objects in JavaScript.
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How to drop a database with Mongoose?
...ollection removed')
});
But there is a way to access the mongodb native javascript driver, which can be used for this
mongoose.connection.collections['collectionName'].drop( function(err) {
console.log('collection dropped');
});
Warning
Make a backup before trying this in case anything go...
Is there some way to PUSH data from web server to browser?
... message-based communication.
You can easily initiate the connection from javascript:
var ws = new WebSocket("ws://your.domain.com/somePathIfYouNeed?args=any");
ws.onmessage = function (evt)
{
var message = evt.data;
//decode message (with JSON or something) and do the needed
};
The sever-s...