Recent questions tagged javascript

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javascript - File Caching: Query string vs Last-Modified?

I was fooling around with ways of caching my website's assets and noticed most websites similar to mine use ... particular advantage to 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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javascript - Will $(window).resize() fire on orientation change?

Im using this to run some code when a browser window is resized: $(window).resize(callback) I also need to ... the above fire on this 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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581 views

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javascript - jQuery check/uncheck radio button onclick

I have this code to check/uncheck a radio button onclick. I know it is not good for the UI, but I need this. ... is the ID of the radio button. 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 - Custom Legend with ChartJS v2.0

I'm trying to create a custom legend template in ChartJS v2.0. In v1* of ChartJS I simply added a property to the ... ); return text.join(""); } 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 - Merge Array of Objects by Property using Lodash

I have two arrays of objects that represent email addresses that have a label and a value: var original = [ { ... do this e.g. using lodash? See Question&Answers more detail:os...

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

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288 views

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javascript - Programmatical click on <a>-tag not working in Firefox

I have a problem with the click()-function from jquery. I create a <a>-element with document.createElement('a') ... idea why that does not 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 - How to fire jQuery function only if form is valid

I have a jQuery function tied to my submit button like this: $(function () { $('#signupform').submit( ... boolean value within my own function. See Question&Answers more detail:os...

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

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415 views

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javascript - How can I use regex to get all the characters after a specific character, e.g. comma (",")

Need a Regex to get all characters after , (not including it) from a variable. This variable can contain for ... answer would be just as good 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 - Angular.js ng-repeat filter by property having one of multiple values (OR of values)

Is it possible to filter an array of objects, such that the value of property can be either of a few values (OR ... ('red'||'blue') }"> See Question&Answers more detail:os...

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

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733 views

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javascript - Uncaught SyntaxError: Failed to execute 'querySelector' on 'Document'

<button id="'+item['id']+'" class="btnDeactivateKeyInChildPremiumCustomer waves-effect waves-light">ok</button> I ... is not a valid selector. See Question&Answers more detail:os...

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

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656 views

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javascript - $(document).scrollTop() always returns 0

I'm simply trying to do something once the scroll position of the page reaches a certain height. However ... nothing changes. 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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702 views

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javascript - window.open target _self v window.location.href?

I need to redirect the user using JavaScript. Which is the preferred method? window.open("webpage.htm", "_self") ... .href = "webpage.htm"; See Question&Answers more detail:os...

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

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373 views

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javascript - window.location versus just location

Across the web, I see a vast number of JavaScript programmers writing window.location instead of just location. I ... came up with nothing... See Question&Answers more detail:os...

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

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667 views

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javascript - CSS Transition doesn't work with top, bottom, left, right

I have an element with style position: relative; transition: all 2s ease 0s; Then I want to change its position ... works in the second case? See Question&Answers more detail:os...

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

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565 views

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javascript - moment.js 24h format

How do I display my time in 24h format instead of 12? I am using moment.js. I am pretty sure that these lines could ... ; } }, How to change it? See Question&Answers more detail:os...

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

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286 views

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javascript - How to run a function at specific time & date?

How can I run a function at a given time and date? Example: I have a function that needs to run on the ... and time has been matched. Shannon See Question&Answers more detail:os...

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

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385 views

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javascript - How to make superfish dropdown menu responsive?

I am using superfish dropdown menu with skelton framework. I wanted it to work on mobiles as well. By default ... items below it. Any solution? See Question&Answers more detail:os...

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

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683 views

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javascript - REGEX: Capture Filename from URL without file extension

I am trying to create a Javascript Regex that captures the filename without the file extension. I have read the ... this to only capture index. See Question&Answers more detail:os...

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

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245 views

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javascript - Send form data using ajax

I want to send all input in a form with ajax .I have a form like this. <form action="target.php" method="post ... don't want to use Form data . See Question&Answers more detail:os...

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

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440 views

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javascript - Chain ajax and execute it in sequence. Jquery Deferred

I have 3 processes that needs ajax to complete. But it is asynchronous and it fails to do what I wanted to do.. Lets ... instead of a b c a b c See Question&Answers more detail:os...

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

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376 views

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javascript - Can I use the HTTP range header to load partial files "on purpose"?

I'm playing around with the HTTP range header (specs). From what I understand I can set byte ranges of files ... would work. Thanks for inputs! See Question&Answers more detail:os...

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

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414 views

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javascript - create screenshot of webpage using html2canvas (unable to initialize properly)

I am attempting to use http://html2canvas.hertzen.com/ to take screenshots of my webpage. I am unable to ... insight is GREATLY appreciated =) See Question&Answers more detail:os...

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

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400 views

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javascript - Why an empty Array type-converts to zero? +[]

just when I thought I understood something about type conversion in JavaScript, I stumbled with this: +[]; ... this behavior standard? 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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294 views

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javascript - Looping through Markers with Google Maps API v3 Problem

I'm not sure why this isn't working. I don't have any errors, but what happens is, no matter what marker I click on, it ... ); }); }); }); }); See Question&Answers more detail:os...

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

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365 views

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javascript - How to check if Google Street View available and display message?

I am passing lat and lng variables and display google sreet view in a div. The problem is that when the ... , errorMessage()); 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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292 views

1 answer

javascript - Equivalent of Firefox's "error console" in other browsers

Is there an equivalent to Firefox's "Error console" in other browsers? I find the error console handy for ... messages from the error console. See Question&Answers more detail:os...

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

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505 views

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javascript - Wikipedia API + Cross-origin requests

I'm trying to access Wikipedia using JavaScript and CORS. As far as I know, Wikipedia should support CORS: http://www. ... ). How can I fix it? See Question&Answers more detail:os...

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

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389 views

1 answer

javascript - How to determine presence of HTML5 drag'n'drop file upload API (like the one from FF3.6)

I am writing an application that's supposed to support HTML5 drag/drop API for file, much like the on described ... class at all). 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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