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Split string on the first white space occurrence
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Javascript doesn't support lookbehinds, so split is not possible. match works:
str.match(/^(\S+)\s(.*)/).slice(1)
Another trick:
str.replace(/\s+/, '\x01').split('\x01')
how about:
[str.replace(/\s.*/, ''), str.replace...
Regex, every non-alphanumeric character except white space or colon
...ing might not work for all regex engines, but the above certainly works in Javascript (as seen in this pen on Codepen).
nb2. If you're not bothered about matching underscores, you could replace a-zA-Z\d with \w, which matches letters, digits, and underscores.
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Choosing Java vs Python on Google App Engine
...ti-language shop that's a pretty large positive. Vice versa, if you loathe Javascript but must execute some code in the user's browser, Java's GWT (generating the Javascript for you from your Java-level coding) is far richer and more advanced than Python-side alternatives (in practice, if you choose...
if…else within JSP or JSTL
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is this javascript or .jsp?
– otherDewi
Mar 25 '14 at 16:48
1
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Auto-size dynamic text to fill fixed size container
...e: 64px;
overflow: hidden;
}
</style>
<script type="text/javascript">
function shrink()
{
var textSpan = document.getElementById("dynamicSpan");
var textDiv = document.getElementById("dynamicDiv");
textSpan.style.fontSize = 64;
while(tex...
Difference between MEAN.js and MEAN.io
I wanted to use the MEAN JavaScript Stack, but I noticed that there are two different stacks with either their own website and installation methods: mean.js and mean.io. So I came up asking myself this question: "Which one do I use?".
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TypeError: $.ajax(…) is not a function?
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No. Look at it as $.ajax()();. This is valid JavaScript. It means "call $.ajax and whatever it returns, call it as well". But $.ajax does not return a function (which could be called), it returns a jqXHR object, so it throws an error. Your answer is correct, the additio...
WebSockets vs. Server-Sent events/EventSource
... polyfilled into older browsers that do not support it natively using just JavaScript. Some implementations of SSE polyfills can be found on the Modernizr github page.
Gotchas:
SSE suffers from a limitation to the maximum number of open connections, which can be specially painful when opening var...
Embed image in a element
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...and needs no JavaScript to submit the form.
– ComFreek
Dec 30 '11 at 20:10
6
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How can I sanitize user input with PHP?
... there is a built-in FILTER_VALIDATE_EMAIL type
My own filter class (uses JavaScript to highlight faulty fields) can be initiated by either an ajax request or normal form post. (see the example below)
/**
* Pork.FormValidator
* Validates arrays or properties by setting up simple arrays.
...