Recent questions tagged Javascript

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javascript - Open android application from a web page

I know that for opening android application from a link inside a web page we have to write the following in the ... >Link to my stuff</a> 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 - Connecting to DB from a Chrome Extension?

I am building a chrome extension which will only be available for people within the company I work for. The ... does that for the extension? See Question&Answers more detail:os...

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

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250 views

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javascript - Reason for using array notation when defining AngularJS Controller

Apologies if this question sounds too obvious. I've recently starting exploring and learning AngularJS. I've gone ... was looking for. Sorry. 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 - Why should use "apply"?

This snippet is cut from Secrets of the JavaScript Ninja. function log() { try { console.log.apply( console, ... ) and console.log(arguments)? 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 allow Chrome to access my camera on localhost?

I cloned a project about real-time image processing on a web browser from this link: Then I could not allow my ... as if I access his site. See Question&Answers more detail:os...

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

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532 views

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javascript - What is the right way to make a synchronous MongoDB query in Node.js?

I'm using the Node.JS driver for MongoDB, and I'd like to perform a synchronous query, like such: function ... way to do something like 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 - new Image(), how to know if image 100% loaded or not?

I'm creating new image using img = new Image(); img.src = image_url; Then I'm assigning img.src to the img ... it was 100% loaded. Thank you! 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 Write Global Functions in Postman

I need help writing a common function to use across a collection of requests which will help with building a ... the requests? 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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367 views

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javascript - Handle open/collapse events of Accordion in Angular

If I have this code: <accordion-group heading="{{group.title}}" ng-repeat="group in groups"> {{group. ... for opening/collapsing of the group. 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 - listen EADDRNOTAVAIL error in Node.js

I installed Nginx and Node.js in my server. When I try run my node.js file, I get an error: node.js:201 ... How can I fix this problem? 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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267 views

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javascript - Can the window object be modified from a Chrome extension?

I would like to make a Chrome extension that provides a new object inside window. When a web page is viewed ... object from a Chrome extension? See Question&Answers more detail:os...

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

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432 views

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javascript - SVG trigger animation with event

how do I trigger an svg animate element to begin animating via javascript with an arbitrary event ? I'm imagining ... if it has already played). See Question&Answers more detail:os...

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

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397 views

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javascript - UI-router interfers with $httpbackend unit test, angular js

This is a controller with a submit function: $scope.submit = function(){ $http.post('/api/project', $scope. ... there any solution to 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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688 views

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javascript - how to clear or replace a cached image

I know there are many ways to prevent image caching (such as via META tags), as well as a few nice tricks ... ), but no luck. Any suggestions? See Question&Answers more detail:os...

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

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310 views

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javascript - jQuery min/max property from array of elements

Is there a simple way to find the min/max property from an array of elements in jQuery? I constantly find ... plugin that does this? 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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420 views

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javascript - How do I make a <div> move up and down when I'm scrolling the page?

How can I make a div element move up and down the page when the user is scrolling the page? (where that element is always visible) See Question&Answers more detail:os...

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

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311 views

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javascript - Angular $http is sending OPTIONS instead of PUT/POST

I am trying to Update/Insert data in a MySQL database through a PHP backend. I'm building the Front End with ... '); Is there something missing? See Question&Answers more detail:os...

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

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316 views

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javascript - Bootstrap dropdown closing when clicked

I put a form inside a bootstrap dropdown, but when I click any of the fields in the form, the dropdown goes away ... but it still 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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580 views

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javascript - Async function in mocha before() is alway finished before it() spec?

I have a callback function in before() which is for cleaning database. Is everything in before() guaranteed to finish ... after(function(){ }); See Question&Answers more detail:os...

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

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391 views

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javascript - How to get response from S3 getObject in Node.js?

In a Node.js project I am attempting to get data back from S3. When I use getSignedURL, everything works: aws. ... . What am I doing wrong? See Question&Answers more detail:os...

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

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330 views

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javascript - How to disable button in React.js

I have this component: import React from 'react'; export default class AddItem extends React.Component { add() ... so what is the workararound? See Question&Answers more detail:os...

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

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377 views

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javascript - jQuery equivalent of getting the context of a Canvas

I have the following working code: ctx = document.getElementById("canvas").getContext('2d'); Is there any way to ... #canvas").getContext('2d'); See Question&Answers more detail:os...

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

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235 views

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javascript - Angularjs: understanding a recursive directive

I found a great tree directive here. Original: http://jsfiddle.net/n8dPm/ I have been trying to understand the functioning ... ); }); }; }, See Question&Answers more detail:os...

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

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445 views

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javascript - Highlight Menu Item when Scrolling Down to Section

I know this question have been asked a million times on this forum, but none of the articles helped me reach ... is it something that I forgot? See Question&Answers more detail:os...

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

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243 views

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javascript - Firebase HTTP Cloud Functions - Read database once

I have a Firebase HTTPs function. The function needs to read a value from a Firebase database based on the query ... there a better way? 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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190 views

1 answer

javascript - angularJS display base64 image

In my app ... /B9IH5Qf4CAsIHwgyCEYIWghuCIIIlgiqCL4I0gjnCPsJEAklCToJTwlkCXkJjwmkCboJzwnlCfsKEQonCj0KVApqCoEKmAquCsUK3ArzCwsLIgs5C1...

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

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456 views

1 answer

javascript - How to dynamically modify <select> in materialize css framework

I just started using the materialize css framework. Now, materialize converts any select tag into a ... dynamically using javascript? See Question&Answers more detail:os...

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

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540 views

1 answer

javascript - Is the "async" attribute/property useful if a script is dynamically added to the DOM?

This question is sort of a tangent to Which browsers support <script async="async" />?. I've ... already trigger asynchronous downloading? See Question&Answers more detail:os...

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

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