Recent questions tagged Javascript

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javascript - How to add data dynamically to mat-table dataSource?

I have data streaming from backend and i see it printing in console now i am trying to push event to dataSource ... : number; assetID: string; } 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 - Is there a way to render multiple React components in the React.render() function?

For example could I do: import React from 'react'; import PanelA from './panelA.jsx'; import ... transpiling with browserify and babelify 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 - jQuery + client-side template = "Syntax error, unrecognized expression"

I just updated jQuery from 1.8.3 to 1.9, and it started crashing all of a sudden. This is my template: ... as we did before version 1.9 See Question&Answers more detail:os...

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

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433 views

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javascript - Is it possible to trigger share menu on smartphones (via HTML/JS)?

Is there an existing possibility to trigger the share functionality in local browsers on smartphones via HTML or ... ? Thanks in advance. 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 'Content-Type' header to use when serving gzipped files?

I'm serving gzipped copies of my css / javascript files. As per a tutorial, I set the content-type as ... Content-Length: 5153 Server: AmazonS3 See Question&Answers more detail:os...

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

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411 views

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javascript - blur event.relatedTarget returns null

I have an <input type="text"> field and I need to clear it when this field loses focus (whiech means that ... should not cause clearing!</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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javascript - dispatchEvent in Chrome but not in IE11

I am using the following code to submit to a form: element.dispatchEvent(new Event("submit")); Inspector returns ... . Jquery is not an option See Question&Answers more detail:os...

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

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698 views

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javascript - How do I get the max value of scrollLeft?

Okay I'm using jQuery and currently getting max value of scrollbar doing this: var $body = $('body'); $body ... me 1280 and 1580, respectively. 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 - round up/ round down a momentjs moment to nearest minute

How do you round up/ round down a momentjs moment to nearest minute? I have checked the docs, but there ... elegant way of accomplishing 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 - Filtering array of objects with lodash based on property value

We have an array of objects as such var myArr = [ {name: "john", age: 23}, {name: "john", age: 43 ... from myArr where name is john with 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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193 views

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javascript - Why use a form tag when you're submitting via ajax?

Philosophical question: Say I've got a web app that requires javascript and a modern browser, so progressive enhancement ... earlier era to me. See Question&Answers more detail:os...

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

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492 views

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javascript - Validate Radio Button AngularJS

This seems like it should be fairly easy, but I'm not finding the answer. I have a form where I ... plnkr.co/edit/3qcIbMvJk19OvokcHe2N?p=preview See Question&Answers more detail:os...

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

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189 views

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javascript - Function declaration in CoffeeScript

I notice that in CoffeeScript, if I define a function using: a = (c) -> c=1 I can only get the function ... declared at the top of the scope. See Question&Answers more detail:os...

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

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164 views

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javascript - typeof for RegExp

Is there anyway to detect if a JavaScript object is a regex? For example, I would like to do something like ... to either method? Thanks again! See Question&Answers more detail:os...

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

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156 views

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javascript - jQuery add class based on page URL

I have what I think is a simple question but I can't get it to work for the life of me. All I want to do is ... so I'd like to do it that way. See Question&Answers more detail:os...

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

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167 views

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javascript - how to get clicked element in THREE.js

Say I have some elements in the canvas, they may be overridden with each other. When clicking on ... .js/examples/canvas_interactive_cubes.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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185 views

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javascript - How to upload an image with jQuery client side and add it to a div?

So basically, as the title says, I want to have an upload button that allows a client to upload an image ... . All help 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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245 views

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javascript - Saving changes in SlickGrid

HI, I'm looking at SlickGrid and I can see example on how to edit the cell, however do I save these changes. ... that tells me how to do 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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360 views

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javascript - Convert Image Color without changing its transparent background

Does anybody have a good solution to change the color of a non-transparent area, with the help of HTML5 or ... new Image of Pill (capsule). See Question&Answers more detail:os...

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

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195 views

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javascript - How can I generate as many colors as I want using d3?

I'm building a pie chart using d3.js, and visualizing a big data set. There are more than 137 items to visualize ... colors as I want using d3? See Question&Answers more detail:os...

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

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362 views

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javascript - XMLHttpRequest POST multipart/form-data

I want to use XMLHttpRequest in JavaScript to POST a form that includes a file type input element so that I ... duplicate the above HTTP stream? See Question&Answers more detail:os...

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

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119 views

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javascript - How to parse DOM (REACT)

I am trying to scrape data from a website. The website uses Facebook's React. As such the source code that I ... Thank you very much in advance! See Question&Answers more detail:os...

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

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366 views

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javascript - How does the Facebook Like button work?

I want to provide a simple piece of Javascript (or an iframe, I guess) that allows 3rd parties to embed ... on the security issues involved. See Question&Answers more detail:os...

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

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378 views

1 answer

javascript - High accuracy geolocation Html5

I am tring to locate a device using the embedded GPS (like whats app share location). I've read that it is ... your browser."); } </script> See Question&Answers more detail:os...

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

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151 views

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javascript - Rendering react component after api response

I have a react component that I wish to populate with images using the Dropbox api. The api part works fine, but ... } } Thanks for your 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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297 views

1 answer

javascript - Google Chrome - how can i programmatically enable chrome://flags some of the modules from disable mode to enabled mode?

How can I automate the setting of chrome flags to enable few modules? I have application designed which requires ... inside chrome://flags? See Question&Answers more detail:os...

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

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116 views

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javascript - Correct way to implement jQuery with require.js

I am using the current stable release of both require.js and jQuery and I am currently including jQuery like this ... to jQuery doesn't 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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238 views

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javascript - How to call a server side function from client side (e.g. html button onclick) in Node.js?

I need a complete basic example in Node.js of calling a server-side function from (client side) html button ... serverside function from 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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