Recent questions tagged javascript

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What do I need to on the server side to allow someone to get data from that server using JSONP. And what ... the internet. Thanks for the help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Show warning message before close window in Java Script

I've try this: <body onunload="LogoutNoAsk();"> </body> and the function is: function LogoutNoAsk() { alert ... warning message. What's wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How do I detect whether a browser supports mouseover events?

Let's assume I have a web page which has some onmouseover javascript behaviour to drop down a menu (or ... representation of a hover event. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - window.resize is not working in chrome and opera

window.resize is not working in chrome and opera ..how to make it work? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - X-Requested-With header not set in jquery ajaxForm plugin

I'm using the jQuery ajaxForms plugin to make an ajax submit to my CakePHP app. Cake's RequestHandler detects ajax ... , how can I fix this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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308 views

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javascript - Algorithm: Extract subset based on property sum

I want an algorithm (no specific language) to find a subset from a set of integers such that their sum is within ... it out when the time comes. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - What is the point of the "is" syntax when extending elements in web components?

In web components, to register an element you simply type: var XFoo = document.registerElement('x-foo', { ... extension of the custom ones? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to add parameters to a URL that already contains other parameters and maybe an anchor

I'm wondering how I can add a new parameter to an existing url. The problem is: the url may also contain ... /www.example.com?foo=bar&x=y#hashme See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Declaring vs Initializing a variable?

I'm curious to know the difference between declaring a variable, and initializing a variable. e.g. var ... basically mean the same thing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How can I use jQuery.validate without submitting the form?

I have read several of the other posts about this and still no go. Trying to keep it real simple. I need to validate ... /div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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429 views

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javascript - Closest ancestor matching selector using native DOM?

Is anybody working on a jQuery.closest() equivalent in the DOM api? Looks like the Selectors Level 2 draft adds ... () to Selectors come up? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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javascript - How to detect the end of a horizontal scroll in a div?

I was trying to implement a horizontal scroll inside a div. My question is how can I detect the end of ... ://jsfiddle.net/arunslb123/trxe4n3u/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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551 views

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javascript - Pre-fill form field via URL in html

I am looking for a simple way to pre-fill a field in my contact form when ever a user clicks ... xyz.com/contact.html?setmessagefield=some_text See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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168 views

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javascript - How can I access the Content-Length header from a cross domain Ajax request?

My JavaScript application needs to determine the length of a resource before downloading it with Ajax. Ordinarily ... suggestions? (Chrome 8) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to embed Razor C# code in a .js file?

Have to embed javascript code block with <script type='text/javascript'> ... </script> But Razor code won't ... a similar effect? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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126 views

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javascript - Unit testing an asynchronous service in angularjs

I am trying to unit test a service which has asynchronous methods but am having no luck. I have tried to implement with ... ; }); })); }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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203 views

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javascript - How to check for broken images in React JS

I'm writing a module that takes article data from json and shows a large image over the article text, a ... should show anything else. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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152 views

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javascript - How to increment a record in Firebase?

I have a Firebase record "searches: 0" for each user. On some event, I'd like to add 1 to what the ... help to get this working? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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225 views

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javascript - Closure Compiler Warning `dangerous use of the global this object`?

Dear folks, Closure Compiler gives this warnings in Advanced Mode, underlining {this. JSC_USED_GLOBAL_THIS: dangerous use ... this code? merci! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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145 views

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javascript - html5 oninvalid doesn't work after fixed the input field

I have this input code in my form: <input maxlength="255" id="information_name" name="information[name]" oninvalid=" ... What I'm doing wrong??? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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128 views

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javascript - HTML 5 input type=“date” not working in Firefox

I am using HTML5 <input type="date" />, which works fine in Chrome and I get the calendar popup to select the ... I make it work in Firefox ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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203 views

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javascript - IE9 HTTPS security is compromised by my Greasemonkey script?

I've got a Greasemonkey-for-IE script in IE9 that's importing jQuery. But on secure pages it doesn't work. I ... 't cause a problem in Firefox. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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234 views

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javascript - Webpack -- include configuration file as external resource

As the applicaiton grows, it is time to remove the hard coded things from the code. Time to implement proper ... What I am doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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178 views

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javascript - Google Analytics from a file:// url

We have an ajaxy sort of html based app framework thing and want google analytics to work with it. And I believe we ... ', '/some/path/here']); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

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javascript - How to restore original object/type from JSON?

Its easy to load JSON into an object in javascript using eval or JSON.parse. But if you have a proper "class" like ... .name); // Bob Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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425 views

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javascript - Show/hide div if checkbox selected

I need a page with checkboxes and visible div if at minimum 1 is checked. Here I got page that if i check checkbox, ... </form> </body> </html> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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271 views

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javascript - Creating new objects from frozen parent objects

This example creates an object, freezes it, and then creates a new object from the frozen object. If the ... best approach for this? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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220 views

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javascript - How to stop onclick event in div from propagating to the document?

I want to stop propagation of this div's onclick event to the document? When the user click on the "div", ... click outside the div. </body> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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