Recent questions tagged Javascript

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javascript - Record voice from IPhone using HTML5

I have been working on a mobile web application just for my own enjoyment and research. Everything seemed to be ... android. Is there any 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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javascript - Best Model for Representing Many to Many relationships with attributes in MongoDB

What's the most 'mongo' way of representing many-to-many relationships that have attributes? So for example: ... and convention in mongo. 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 determine the intended frame-rate on an html video element

Is there a way to determine the intended frame rate of content playing in the html video element? Does the ... I do the complicated attempt? 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 - Get Clicked <li> from <ul onclick>

As a relative beginner with JS, I am struggling to try and find a solution to this. I need to find out which ... sure there must be a 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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javascript - Can I call APIs in componentWillMount in React?

I'm working on react for last 1 year. The convention which we follow is make an API call in componentDidMount, ... how react works in such 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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158 views

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javascript - How to retrieve the text of a DOM Text node?

For a given Text node in the DOM, one can use one of these properties to retrieve its text: textContent data ... one would be most appropriate?) 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 - init state without constructor in react

import React, { Component } from 'react'; class Counter extends Component { state = { value: 0 }; increment ... .setState({value:'something'})? 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 - Format credit card number

How to format and validate a credit card number with spaces between each 4 digit while typing: eg: 4464 6846 4354 3564 ... (cc); }); Please 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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javascript - How to control bandwidth in WebRTC video call?

I am trying to develop a Video Calling/Conferencing application using WebRTC and node.js. Right now there is ... appreciated. 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 - How to slide nav bar from left instead from top?

Bootstrap supports toggling a navbar from the top. How can I slide it from the left when the screen-size is small? For ... </div> </div> </nav> See Question&Answers more detail:os...

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

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197 views

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javascript - Same Origin Policy - AJAX & using Public APIs

I know if on my own webpage, if my user is on : http://www.example.com/form.php and I make an ... using Cross Origin Resource Sharing? 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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javascript - Is there a more effective way to serialize a form with angularjs?

Is there a way to serialize function for angularjs? my post looks like this right now. $scope.signup_submit = function () ... data.msg) } }); } 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 - AngularJS: lazy loading controllers and content

In this simplified scenario, I have two files: index.htm, lazy.htm. index.htm: var myApp = angular.module( ... should not be used in production. 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 - Using $.Deferred() with nested ajax calls in a loop

I've spent far too many hours searching for similar questions and trying solutions, so I hope someone has a solution. ... know 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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javascript - Fix First Column of a Bootstrap Table

I followed @koala_dev's code in this post to try to lock the first column s my table scrolls horizontally. ... help will be much 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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183 views

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javascript - What is the value of var me = this;

I find this pattern all over the ExtJS source code. method: function() { var me = this; ... me.someOtherMethod(); } ... ', me); } return 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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223 views

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javascript - Jquery getScript caching

By Default $.getScript() disables caching and you can use $.ajaxSetup and set caching to true. When testing if ... are a page change apart. 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 - ChartJS: datalabels: show percentage value in Pie piece

I have a piechart with four labels: var data = [{ data: [50, 55, 60, 33], labels: ["India", " ... (https://jsfiddle.net/kingBethal/a1Lvn4eb/7/) See Question&Answers more detail:os...

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

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490 views

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javascript - How to assume local time zone when parsing ISO 8601 date string?

I have a ISO date string as below var startTimeISOString = "2013-03-10T02:00:00Z"; when I convert it to date ... to local date-time..? 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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287 views

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javascript - knockout.js: update bindings?

when I inject any new elements into the DOM after ko.applyBindings(); was called, then knockout won't ... element bindings? greetings, Chris See Question&Answers more detail:os...

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

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232 views

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javascript - jQuery drag and drop - how to get at element being dragged

I am using the jQuery library to implement drag and drop. How do I get at the element that is being dragged ... which doesn't seem to 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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253 views

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javascript - How to use normal anchor links with react-router

Very similar to this angular question: how do I use anchor links for in-page navigation when using react-router? In ... some section of a page. 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 - fetch API returning an empty string

I am trying to get a page's HTML using fetch API. Here is my code. var quizUrl = 'http://www.lipsum.com/' ... . Any guesses why it 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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163 views

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javascript - Best way to find "next" form input element in jQuery?

Using jQuery, what's the best way to find the next form element on the page, starting from an arbitrary ... be happening inside a plugin. See Question&Answers more detail:os...

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

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257 views

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javascript - How to maintain page scroll position after a jquery event is carried out?

I have searched high and low for an answer and have found similar examples of the problem but the answers do not ... script> </body> </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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524 views

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javascript - React-Native: Convert image url to base64 string

I'm building a react native app that needs to store images at base64 string format for offline viewing capabilities ... do this in react native? 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

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javascript - Prevent click event from firing when dblclick event fires

I'm handling both the click and dblclick event on a DOM element. Each one carries out a different ... approach for preventing this behavior? See Question&Answers more detail:os...

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

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257 views

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javascript - Strict Violation using this keyword and revealing module pattern

Having trouble getting the following to pass jslint/jshint /*jshint strict: true */ var myModule = (function() { ... for it in this pattern. See Question&Answers more detail:os...

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

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