Recent questions tagged Javascript

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javascript - ChartJS New Lines ' ' in X axis Labels or Displaying More Information Around Chart or Tooltip with ChartJS V2

I'm using chart.js (V2) to try to build a bar chart that has more information available to user without ... help would be appreciated. Thanks~ 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 - Lodash group by multiple properties if property value is true

I have an array of vehicles that need to be grouped by make and model, only if the 'selected' property is true. The ... b: { count: 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 - What is the difference between open and closed shadow DOM encapsulation mode?

I want to create a shadow DOM for an element so I can display elements for a Chrome extension without the page ... what I am trying to achieve? 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 - Why does dynamically changing a checkbox not trigger a form change event?

I wrote this snippet of javascript/jQuery to change a check box. http://jsfiddle.net/johnhoffman/crF93/ Javascript $( ... I make it do that? 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 detect if variable is a string

How can I detect if a variable is a string? See Question&Answers more detail:os...

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

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834 views

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javascript - How to customize the message "Changes you made may not be saved." for window.onbeforeunload?

I am testing in Google Chrome. I did some search and found that someone is using: window.onbeforeunload = function( ... it to something 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 - Error With Bootstrap 3 Date/Time Picker

I am using the date/time picker from Eonasden that you can find here. Date Time Picker I am using HTML from ... work fine on his sample page. 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 detect iPad and iPad OS version in iOS 13 and Up?

I can detect iOS 13 on iPhone but in iPad OS 13 navigator.platform comes as MacIntel. So it is not possible ... iOS 13 and up using Javascript? 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 - Using HTML5 pushState() in IE9

Is there any way to use HTML5 History API (pushState) in IE9? If there is a solution for all other browsers that would be great! See Question&Answers more detail:os...

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

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180 views

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javascript - How can I reference the <HTML> element's corresponding DOM object?

This is how you access the <body> element to set a background style: document.body.style.background = ''; But ... .html.style.background = ''; See Question&Answers more detail:os...

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

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168 views

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javascript - is there a way to implement promises in ie9+

I m trying to implement native promise on IE9+ and it seems that internet explorer does not Recognize the "Promise ... my own 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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javascript - Chart.js Bar Chart: How to remove space between the bars in v2.3?

I'm trying to remove the space between my bar chart bars, but even though I see this solution many places it ... : data, options: options }); 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 - Uncaught ReferenceError: Firebase is not defined

I am trying to follow the tutorial on designing a database in firebase, but I am getting the following error in the ... " meters tall"); }); See Question&Answers more detail:os...

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

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157 views

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javascript - How to duplicate elements in a js array?

Whats the easiest way (with "native" javascript) to duplicate every element in a javascript array? The order matters. For ... 1, 1, 4, 4] See Question&Answers more detail:os...

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

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137 views

1 answer

javascript - Get the page file name from the address bar

I was wondering if it would be possible to get the page name from the address bar using jquery or javascript. ... for any help you can provide. See Question&Answers more detail:os...

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

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165 views

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javascript - Delete instance of a class?

I have a class that was created like this: function T() { this.run = function() { if (typeof this.i === ... to stop it before it reaches 10. See Question&Answers more detail:os...

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

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135 views

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javascript - What's the point of the Boolean object?

I am reading through the Mozilla Manual on JavaScript, and I come to this point in my reading, Boolean ... reading the Mozilla JavaScript Guide. See Question&Answers more detail:os...

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

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356 views

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javascript - How to access frame (not iframe) contents from jQuery

I have 2 frames in one page like this (home.html) <frameset rows="50%, 50%"> <frame id="treeContent" src=" ... ="treeStatus.html" /> </frameset> See Question&Answers more detail:os...

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

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120 views

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javascript - Is it possible to import an HTML file as a string with TypeScript?

I wonder if it is possible to do as the title said. For example let's say we are working on a Angular2 ... html file as a string in TypeScript? See Question&Answers more detail:os...

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

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132 views

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javascript - get the value of "onclick" with jQuery?

Is it possible to get the current value of the onClick attribute of an A tag via jQuery? For example, I have: < ... , or eval() it if necessary? See Question&Answers more detail:os...

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

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363 views

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javascript - Getting wrong month in moment.js

I'm using Moment.js included through RequireJS. When I call Moment().month(), instead of number 11 I always ... Any ideas how can this happen? See Question&Answers more detail:os...

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

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146 views

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javascript - How to keep line breaks when using .text() method for jQuery?

I'm trying to achieve a typewriting effect and my content consists of a lot of HTML entities. The problem with ... or the line break problem? See Question&Answers more detail:os...

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

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600 views

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javascript - Progress Bar with axios

I have to display the upload status of the file using a Progress Bar. I am using axios to make http requests. I ... ); How can I solve this?? See Question&Answers more detail:os...

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

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613 views

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javascript - Warning: connect.session() MemoryStore is not designed for a production environment, as it will leak memory, and will not scale past a single process

Good day guys here is my code : var express = require('express'); var session = require('express-session'); var ... . Sorry for my bad english. See Question&Answers more detail:os...

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

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546 views

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javascript - MediaElementAudioSource outputs zeros due to CORS access restrictions local mp3 file

I have the following html page that I'm trying to show a class for demonstrating an audio visualizer with an mp3 ... since it's a local file? See Question&Answers more detail:os...

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

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1.3k views

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javascript - Expected a spy, but got Function

I am trying to implement a test (1) for this module (2). My purpose is to check if the collection is fetched when a ... ); }, // other code }); See Question&Answers more detail:os...

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

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178 views

1 answer

javascript - Is Google's Polymer a fully functioning Frontend Framework to Subsitute OR Complement other Frontend Frameworks?

The question is in regard to AngularJS, BackboneJS, EmberJS and the other frameworks. I have to translate a ... /youtu.be/fD2As5RmM8Q?t=6m42s See Question&Answers more detail:os...

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

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158 views

1 answer

javascript - Get formatted HTML from CKEditor

I'm using CKEditor in my web app, and I'm at a loss as to how to get the contents of the editor with ... null value. 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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