mirror of
https://github.com/Hopiu/jquery-mobile.git
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75 lines
No EOL
2.7 KiB
HTML
75 lines
No EOL
2.7 KiB
HTML
<!DOCTYPE html>
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<html lang='en'><head><meta http-equiv='content-type' content='text/html; charset=UTF-8' /></head><body>
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<div data-role="page">
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<div data-role="header">
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<h1>jQuery.isFunction()</h1>
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</div>
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<div data-role="content" class=" ui-body ui-body-c" id="jQuery.isFunction1">
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<h2 class="jq-clearfix roundTop section-title">
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<span class="name">jQuery.isFunction()</span> <span class="returns">Returns: <a class="return" href="http://docs.jquery.com/Types#boolean">boolean</a></span>
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</h2>
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<div class=" entry-details">
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<p class="desc"><strong>Description: </strong>Determine if the argument passed is a Javascript function object. </p>
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<ul class="signatures"><li class="signature" id="jQuery.isFunction"><h4 class="name">
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<span class="versionAdded">version added: <a href="/category/version/1.2/">1.2</a></span>jQuery.isFunction()</h4></li></ul>
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<div class="longdesc"><p><strong>Note:</strong> As of jQuery 1.3, functions provided by the browser like <code>alert()</code> and DOM element methods like <code>getAttribute()</code> are not guaranteed to be detected as functions in browsers such as Internet Explorer.</p></div>
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<h3>Examples:</h3>
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<div id="entry-examples" class="entry-examples">
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<div id="example-0">
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<h4>Example: <span class="desc">Test a few parameter examples.</span>
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</h4>
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<pre><code class="example demo-code"><!DOCTYPE html>
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<html>
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<head>
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<style>
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div { color:blue; margin:2px; font-size:14px; }
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span { color:red; }
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</style>
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<script src="http://code.jquery.com/jquery-latest.js"></script>
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</head>
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<body>
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<div>jQuery.isFunction(objs[0]) = <span></span></div>
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<div>jQuery.isFunction(objs[1]) = <span></span></div>
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<div>jQuery.isFunction(objs[2]) = <span></span></div>
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<div>jQuery.isFunction(objs[3]) = <span></span></div>
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<div>jQuery.isFunction(objs[4]) = <span></span></div>
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<script>
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function stub() {
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}
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var objs = [
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function () {},
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{ x:15, y:20 },
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null,
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stub,
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"function"
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];
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jQuery.each(objs, function (i) {
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var isFunc = jQuery.isFunction(objs[i]);
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$("span").eq(i).text(isFunc);
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});
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</script>
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</body>
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</html></code></pre>
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<h4>Demo:</h4>
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<div class="demo code-demo"></div>
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</div>
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<div id="example-1">
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<h4>Example: <span class="desc">Finds out if the parameter is a funcion.</span>
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</h4>
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<pre><code class="example">$.isFunction(function(){});</code></pre>
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<h4>Result:</h4>
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<pre><code class="results">true</code></pre>
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</div>
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</div>
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</div>
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</div>
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</div>
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</body></html> |