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Set a default parameter value for a JavaScript function
I would like a JavaScript function to have optional arguments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
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What kinds of patterns could I enforce on the code to make it easier to translate to another program
...IraBaxter I can't support your statement, doing Python->PHP and PHP->Javascript would be kind of easy. cf. last part of stackoverflow.com/a/22850139/140837 in the middle of the answer I also deal with your "argumentation"
– amirouche
Apr 3 '14 at 22:47
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How to call a parent method from child class in javascript?
...ay for child objects to have access to parent properties and methods using JavaScript's prototype chain, and it's compatible with Internet Explorer. JavaScript searches the prototype chain for methods and we want the child’s prototype chain to looks like this:
Child instance -> Child’s proto...
Google Maps JS API v3 - Simple Multiple Marker Example
...rc="http://maps.google.com/maps/api/js?sensor=false"
type="text/javascript"></script>
</head>
<body>
<div id="map" style="width: 500px; height: 400px;"></div>
<script type="text/javascript">
var locations = [
['Bondi Beach', -33.89054...
(Built-in) way in JavaScript to check if a string is a valid number
...eans and empty strings, at least. See developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/….
– EML
Dec 30 '13 at 0:33
49
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TypeScript or JavaScript type casting
How does one handle type casting in TypeScript or Javascript?
3 Answers
3
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Why does “,,,” == Array(4) in Javascript?
...the result of the comparison x == ToPrimitive(y).
(arrays are objects in JavaScript)
and if you follow the ToPrimitive method you will eventually find that it it calls toString.
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Add hover text without javascript like we hover on a user's reputation
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@Kevin This solution is in fact better than the JavaScript solution since it will work on browsers with JavaScript disabled, and it also adds a hint to screen readers about the contents of the element.
– gcochard
Jul 2 '13 at 17:45
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Create JSON object dynamically via JavaScript (Without concate strings)
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JavaScript
var myObj = {
id: "c001",
name: "Hello Test"
}
Result(JSON)
{
"id": "c001",
"name": "Hello Test"
}
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What is 'define' used for in JavaScript (aside from the obvious)?
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@Simon_Weaver It's not a Javascript language construct, it's an ordinary Javascript function. The square brackets create an array. Or is that the construct that you were referring to?
– Robin Green
Jan 21 '15 at...