Recent questions tagged Javascript

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javascript - vuexjs getter with argument

Is there a way to pass parameter into getter of vuex store? Something like: new Vuex.Store({ getters: { ... other getters. Is it 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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375 views

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javascript - Succinct/concise syntax for 'optional' object keys in ES6/ES7?

There are already a lot of cool features in ES6/ES7 for defining Javascript objects. However, the following ... optional and required keys? See Question&Answers more detail:os...

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

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163 views

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javascript - Get first word of string

Okay, here is my code with details of what I have tried to do: var str = "Hello m|sss sss|mmm ss"; //Now ... "sss" firstword[2] will give "mmm" 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 test if a parameter is provided to a function?

I was wondering, can you create a function with an optional parameter. Example: function parameterTest(test) { if ... .". Is this 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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820 views

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javascript - lint-staged not running on precommit

prettier is not running on precommit. This worked with the same configuration in other projects, so I'm baffled why it's not ... ": "1.12.0" }, 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

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javascript - Bootstrap tab activation with JQuery

I have the following code: <ul class="nav nav-tabs"> <li><a href="#aaa" data-toggle="tab">AAA</a></li> ... ).tab(); Can anyone help me, please? 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 - Is there a jasmine matcher to compare objects on subsets of their properties

I have an object that may be extended along my behavior under test, but I want to make sure that the original ... Where should I look for it? See Question&Answers more detail:os...

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

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481 views

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javascript - puppeteer: wait N seconds before continuing to the next line

In puppeteer I would like to wait a defined time before going to the next line of code. I've tried to put a ... Do you know how to do 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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205 views

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javascript - Display only 10 characters of a long string?

How do I get a long text string (like a querystring) to display a maximum of 10 characters, using JQuery ... help would be greatly appreciated. See Question&Answers more detail:os...

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

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167 views

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javascript - Jasmine.js comparing arrays

Is there a way in jasmine.js to check if two arrays are equal, for example: arr = [1, 2, 3] expect(arr).toBe ... , 2, 3]) Neither seems to work. See Question&Answers more detail:os...

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

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385 views

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javascript - Best approach to decode Youtube cipher signature using PHP or JS

Youtube is using cipher signature for some of the videos when the use_cipher_signature = true in the dictionary ... JS will be appreciated. See Question&Answers more detail:os...

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

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383 views

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javascript - How can I improve this WebGL / GLSL image downsampling shader

I am using WebGL to resize images clientside very quickly within an app I am working on. I have written ... right direction? 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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413 views

1 answer

javascript - Text selection and bubble overlay as Chrome extension

I am looking for a way to select text on a website in Chrome and have a overlay/tooltip pop with content ... toolip pop-up? Much appreciated. See Question&Answers more detail:os...

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

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615 views

1 answer

javascript - puppeteer : how check if browser is still open and working

im trying to open multiple tabs in a single browser instance , after they're done i close the tabs and then ... if the previous one is closed See Question&Answers more detail:os...

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

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147 views

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javascript - Dynamically creating an angular view

I'm making an in game UI using awesomium, at some points the game loads up and executes a chunk of javascript which ... I'm trying to do here? See Question&Answers more detail:os...

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

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173 views

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javascript - Injecting text when content is copied from a web page

I ran into a a site that injects a "Read More: " line at the end of any text that you highlight and copy ... be a "read more" line afterwards. See Question&Answers more detail:os...

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

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412 views

1 answer

javascript - How has soundcloud hidden the URL of streaming audio

I am trying to hide the URL of my audio streams for my HTML5 player and was really struggling to think of a ... or how this could be achieved? See Question&Answers more detail:os...

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

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287 views

1 answer

javascript - While typing in a text input field, printing the content typed in a div

I have a website where there is a empty box and a input text box. I want to be able to type something ... I would greatly appreciate it. 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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185 views

1 answer

javascript - How to add konami code in a website based on html?

I was asked to implement the Konami Code in a website I'm currently working on. It should do the ... to achieve this 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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335 views

1 answer

javascript - How to repeat the tabindex from 1 after it has gone to the last element with a tabindex?

So, for example, here's a script:  <input type="text" tabindex=" ... it start from tabindex="1" again? See Question&Answers more detail:os...

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

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404 views

1 answer

javascript - Extend Google Maps marker to animate smoothly on update?

Using the Google Maps API v3 I've been able to update multiple positions of markers via an AJAX call. ... to find any documentation. 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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221 views

1 answer

javascript - Loading html into page element (chrome extension)

I'm trying to write a Chrome extension that will have a bar at the top of certain webpages. If I have my content ... on the page. What's 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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253 views

1 answer

javascript - Bounce a pin in google maps once

I want to bounce a pin on a google map once. The following code will make the marker bounce but it just ... a better way to accomplish 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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372 views

1 answer

javascript - How to use ko.validation.group function

I am trying to use knockout.validation plugin. I created an exampleViewModel : function exampleViewModel() { this.P1 = ... how can i do 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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322 views

1 answer

javascript - How do I get the title of a youtube video if I have the Video Id?

I'm playing now with the Youtube API and I began a small project (for fun). The problem Is that I cant find ... title. I'm working on 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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240 views

1 answer

javascript - What's the difference between event handlers & listener?

What is the difference between event handlers and event listeners in JavaScript? They both execute a function when ... to use event listeners. 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

1 answer

javascript - Jquery custom attributes

I'm thinking about using custom attributes in Jquery to avoid using class or id attributes, to not interfere with the ... ...". Is this right? 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 - Best way to structure helpers functions in NodeJS

I am trying to build a set of utils for my NodeJS project. These helpers will include: text utils (like ... slow down the performances, etc? See Question&Answers more detail:os...

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

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