Recent questions tagged Javascript

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javascript - Creating a live checkers-like web app with PHP, JS, CSS and HTML?

I want to create a live, checkers-like app, which will work like this: There will be multiple icons/ ... .) from more experienced programmers. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - ES6 Set, WeakSet, Map and WeakMap

There is already some questions about map and weak maps, like this: What's the difference between ES6 Map and ... ; hash[index] = something; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - PhantomJS and getting modified DOM

I'm developing a tool that needs to download a web page from 3rd party server, execute it as a ... 't contain content generated dynamically See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Fade out text value inside of text field using jQuery

I am not entirely sure if this is possible or not, I am pretty knowledgeable when it comes to jQuery and JavaScript ... ).val(oldValue); } }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to remove ? character from JS string

I have a string like ?my name is Pankaj? I want to remove the ? character from the string. "? ... remove these kind of unnecessary characters. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Remove empty & null values from nested object (ES6) - Clean nested Objects

I got an object which looks like this : { "a": "string not empty", "b": { "c": "string not empty", }, "d ... > 0 && newObj; }; but it fails too. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript / youtube api - variable YT is not defined

I'm creating a youtube player embed via the YT api but I keep getting an alert that the variable YT is not defined. I ... } }); }); </script> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Backbone.js: how to unbind from events, on model remove

in backbone we have an app that uses an event Aggregator, located on the window.App.Events now, in many views ... a burglar enters the house. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How do I set the containment on a jQuery UI Dialog?

Is it possible to add containment (confining to the boundary of another element) to jQuery UI's Dialog? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - The view is not updated when the model updates in AngularJS

I have read threads on this issue such as: The view is not updated in AngularJS but I still can't understand ... http://jsfiddle.net/DAk8r/2/ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to add vertical scrollbar to select box options list?

I need vertical scrollbar for select box options list. I have to show only first few items of the list. I don't ... Ten</option> </select></div> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Which browsers have problems caching XMLHTTPRequest responses?

Do any of the currently popular browsers have particular problems caching* XMLHttpRequest responses that I need ... when using XMLHttpRequest.* See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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221 views

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javascript - How can I show the same HTML 5 Video twice on a website without loading it twice?

I currently have 2 video elements on my html-page. Both embed exactly the same .mp4 video from the same URL. Is ... type="video/mp4"/> </video> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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504 views

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javascript - Angular 2 - single service provider across multiple browser windows

I am trying to supply an alert once a task is complete - the user may be in any of multiple pages at the time ... window or tab i.e. window.open See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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280 views

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javascript - IE8 isn't resizing tbody or thead when a column is hidden in a table with table-layout:fixed

IE 8 is doing something very strange when I hide a column in a table with table-layout:fixed. The column is hidden, ... /script> </body> </html> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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javascript - Scroll to anchor with fixed header, content hidden behind header, margin and top padding not working

I'm using smoothscroll.js to navigate my site. It stops on the correct anchor in Firefox, however in Chrome it ... (example: top:20%;). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to rotate an object around the center in d3.js

I have two simple objects in d3.js, they should be circling around the center of the viewport (like planets ... a jsfiddle to play around. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

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javascript - HTML5 canvas get coordinates after zoom and translate

BACKGROUND: I have an HTML5 canvas and I have an image drawn on it. Now when the image is first loaded, it ... values in your markE's method. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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283 views

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javascript - Why do Promise libraries use event loops?

Considering the following JavaScript code: var promise = new Promise(); setTimeout(function() { promise.resolve(); ... of an event loop. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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352 views

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javascript - Download a file using Nightmare

I am using Nightmare to create a automated downloader for today's newspaper. I managed to login and go the the ... this seems not to work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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185 views

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javascript - JQuery get data from JSON array

This is part of the JSON i get from foursquare. JSON tips: { count: 2, groups: [ { type: "others", name: "Tips ... ; }); What am I doing wrong ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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237 views

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javascript - How to bind deeper than one level with rivets.js

rivets.js newbie here. I want to bind to an item that will be changing dynamically (store.ActiveItem). I tried the ... /div> </div> </div> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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308 views

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javascript - How to completly disable back button of a browser while taking online exam?

In online examination once candidate has clicks on start button i dont want to allow him to go back (to previous ... achieve this concept...... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

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javascript - jQuery check if element has a specific style property (display)

I need to have a if/else statement inside a function. How do you check if an element (e.g. #cadrage) has a ... } else { // do something } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Convert ISO 8601 time date into plain English

How can I manipulate a date time in the format below (I believe it is ISO 8601 format) with JavaScript? 2010-01- ... mm/yyyy hh:mm:ss. Thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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490 views

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javascript - How to fetch next and previous item of the current one with Mongoose

I have a blog. On the individual post page I want to display a link to the previous, and if there is ... createdAt: Date updatedAt: Date ) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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231 views

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javascript - How to make a double click editable table in AngularJS way?

Without DOM manipulation, how to make an editable table cell with double click? I am trying to make it there ... regarding how to implement it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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413 views

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javascript - Gulp.js, watch task runs twice when saving files

Given the following piece of code from my gulpfile.js, everytime I save or change a file, the task runs ... plugin called grunt-contrib-watch. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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