大约有 17,000 项符合查询结果(耗时:0.0296秒) [XML]

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How do you create a toggle button?

...ve to add extra span, extra div, and, for a really nice look, add some javascript. So the best solution is to use a small jQuery function and two background images for styling the two different statuses of the button. Example with an up/down effect given by borders: $(document).ready(function(...
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Invoking JavaScript code in an iframe from the parent page

...ally, I have an iframe embedded in a page and the iframe has some JavaScript routines I need to invoke from the parent page. ...
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How to get image size (height & width) using JavaScript?

... check the dimensions using Javascript... const img = new Image(); img.onload = function() { alert(this.width + 'x' + this.height); } img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif'; This can be useful if the image is not a part of the markup. ...
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How do I fire an event when a iframe has finished loading in jQuery?

...content): <iframe id="frameid" src="page.aspx"></iframe> <script language="javascript"> iframe = document.getElementById("frameid"); WaitForIFrame(); function WaitForIFrame() { if (iframe.readyState != "complete") { setTimeout("WaitForIFrame();",...
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How to make input type= file Should accept only pdf and xls

...he files it will be store in server. I heard so that it is possible by javascript functions to open .pdf and .xls files by clicking the files on browser... – Manikandan Aug 27 '12 at 13:38 ...
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Check if Internet Connection Exists with Javascript? [duplicate]

How do you check if there is an internet connection using Javascript? That way I could have some conditionals saying "use the google cached version of JQuery during production, use either that or a local version during development, depending on the internet connection". ...
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Get city name using geolocation

...l; charset=UTF-8"/> <title>Reverse Geocoding</title> <script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script> <script type="text/javascript"> var geocoder; if (navigator.geolocation) { navigator.geolocation.getC...
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How do I redirect to another webpage?

... can I redirect the user from one page to another using jQuery or pure JavaScript? 58 Answers ...
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How to get JSON from URL in JavaScript?

...(); xhr.open('GET', url, true); xhr.responseType = 'json'; xhr.onload = function() { var status = xhr.status; if (status === 200) { callback(null, xhr.response); } else { callback(status, xhr.response); } }; xhr.send(); }; And use it like...
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }

I have been reading a lot of Javascript lately and I have been noticing that the whole file is wrapped like the following in the .js files to be imported. ...