Recent questions tagged Javascript

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javascript - Make the X-Axis labels in chart.js increment by a certain scale

I have labels ranging from 50-90, and every number in between in displayed. I would like to list the labels by 5 ... part of the y-axis cut off. See Question&Answers more detail:os...

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

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296 views

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javascript - Adding inline styles to react

Currently I'm using react.js and I'm trying to get two div's to be side by side. Currently I'm trying ... to play nice with other div elements. See Question&Answers more detail:os...

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

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195 views

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javascript - jQuery image map alternative

What is an alternative to using image maps? I saw a question recently and someone said, "Why are people still ... to use than an image map. See Question&Answers more detail:os...

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

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361 views

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javascript - What is faster: try catch vs Promise

I heard such an opinion that you should avoid usage of try/catch at all because it takes many resources. So ... jsperf.com/try-catch-vs-promise See Question&Answers more detail:os...

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

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226 views

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javascript - Chaining promises with RxJS

I'm new to RxJS and FRP in general. I had the idea of converting an existing promise chain in my ExpressJS ... console.log('Completed'); }); See Question&Answers more detail:os...

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

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193 views

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javascript - How to Associate an Object with a DOM Element

I have a master object in my JS setup, i.e.: var myGarage = { cars: [ { make: "Ford", model: "Escape ... " flag, I can update the master object? 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 - async.eachSeries in node.js

I have a loop in node.js for (var i in files){ var all = fs.readdirsync("./0"); async. ... iteration is finished (including the callback)? See Question&Answers more detail:os...

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

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478 views

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javascript - Is there a simple way to convert a decimal time (e.g. 1.074 minutes) into mm:ss format using moment.js?

I was wondering if there's a simple way, using moment.js library, to transform a decimal time interval (for example, 1. ... "0" + sec : sec) } See Question&Answers more detail:os...

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

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282 views

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javascript - How to determine the direction on onmousemove event?

On some condition I want to cancel onmousemove event when mouse goes down, for example. Is it possible to ... such kind of standard properties. See Question&Answers more detail:os...

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

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252 views

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javascript - Can Content Security Policy be made compatible with Google Analytics and AdSense?

Does anyone know how to get CSP, even with the default-src wildcard, to work so a modern Analytics script ... ads while running .htaccess CSP? See Question&Answers more detail:os...

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

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332 views

1 answer

javascript - getting mouse position relative to content area of an element

When the mouse is moved over an element, I want to get the mouse coordinates of the cursor relative to the top- ... . This is what I want. 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 - Can't type into html input fields on iOS after clicking twice

I'm experiencing an issue on iOS and I've put up a fiddle for it: http://jsfiddle.net/Hk56Q/ If an event ... don't break the inputs on iOS? See Question&Answers more detail:os...

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

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301 views

1 answer

javascript - Getting started with backbonejs - what should a server return

I am totally new to Backbone.js library and read through the whole documentation and understood the working of ... return for model.destroy() See Question&Answers more detail:os...

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

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397 views

1 answer

javascript - receive file via websocket and initiate download dialog

my HTML5 web application receives a file as binary data via a websocket. Is there any way to initiate a file ... the users disk? 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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368 views

1 answer

javascript - Find all values by specific key in a deep nested object

How would I find all values by specific key in a deep nested object? For example, if I have an object like this: const ... , 3, 4, 5, 6, 7] See Question&Answers more detail:os...

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

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201 views

1 answer

javascript - Break a URL into its components

I'm using javascript and would like to take a URL string that I have and break it down into its ... ").getQueryArgumentValue("queryArg1"); See Question&Answers more detail:os...

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

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627 views

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javascript - listen to mouse hold event on website?

I know 'mousedown' is when user press the mouse, 'mouseup' is when user release the mouse. But I want to ... it until it release. Any ideas? See Question&Answers more detail:os...

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

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483 views

1 answer

javascript - jQuery: Access frame in nested frameset

I have a document which has a nested frameset. I need to access one of the nested frames, named "sq_main", ... into this ugly structure? :) See Question&Answers more detail:os...

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

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212 views

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javascript - Show div after 2 seconds of page load

I am currently trying to show a div 2 seconds after the page is loaded. I can successfully do the reverse by hiding ... h2>Hi there</h2> </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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174 views

1 answer

javascript - What exactly is a dense array?

The explanation for a dense array that I read from a few pages seem to be in contradiction to one another. I'd ... [1, undefined, 3, undefined] See Question&Answers more detail:os...

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

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243 views

1 answer

javascript - How can I make a POST request from a Protractor test?

I would like to make a POST request (with JSON payload) to a database server prior to running a Protractor test, ... this, if at all possible? See Question&Answers more detail:os...

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

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384 views

1 answer

javascript - html5 canvas hand cursor problems

I'm playing around with html5 and some javascript to make a minor sketchpad. Whenever I click down on the canvas ... and can't find it anywhere See Question&Answers more detail:os...

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

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442 views

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javascript - Compress all file .js with Google Closure Compiler Application in one File

I would like to Compress all my file .js in a same directory in one file with Google Closure Compiler in a command ... you if you can help me ! See Question&Answers more detail:os...

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

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442 views

1 answer

javascript - JS Function With Two Parentheses and Two Params

I'm trying to understand how a function works that is run with two parentheses and two parameters. Like so: ... over this. Thanks in advance! See Question&Answers more detail:os...

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

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750 views

1 answer

javascript - Draw a circle (not shaded) with Three.js

I am trying to draw a circle very similar to the orbital patterns on this website. I would like to use Three.js instead of pure WebGL. See Question&Answers more detail:os...

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

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422 views

1 answer

javascript - How do I match a number inside square brackets with regex

I wrote a regular expression which I expect should work but it doesn't. var regex = new RegExp('(?< ... not support lookahead or lookbehind? See Question&Answers more detail:os...

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

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602 views

1 answer

javascript - Getting non-html text from CKeditor

In my application, in insert news section, i use a sub string of news content for news Summary. for getting news ... can't use getText() 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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378 views

1 answer

javascript - React Navigation pass props in TabNavigator

I have props what are loaded from the server on the initial screen. I want to pass them to the rest of the tab screens. ... } /> </View> ); } } See Question&Answers more detail:os...

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

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