Recent questions tagged Javascript

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javascript - How can I remove the location hash without causing the page to scroll?

Is it possible to remove the hash from window.location without causing the page to jump-scroll to the top? I ... hash without this side-effect. 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 - Timestamp to human readable format

Well I have a strange problem while convert from unix timestamp to human representation using javascript Here is timestamp ... 0 What I miss ? 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 - NodeJS - setTimeout(fn,0) vs setImmediate(fn)

What is the difference between those two, and when will I use one over the other? 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 does a return in `finally` override `try`?

How does a return statement inside a try/catch block work? function example() { try { return true; } finally { ... , but instead it is false! 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 - display current date

I got a view in angularjs and I'm just trying to display the current date(formatted). I thought something ... should display the current date. See Question&Answers more detail:os...

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

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358 views

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javascript - Check if any ancestor has a class using jQuery

Is there any way in jQuery to check if any parent, grand-parent, great-grand-parent has a class. I have a markup ... I am using jQuery 1.7.2. 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 - TypeScript, Looping through a dictionary

In my code, I have a couple of dictionaries (as suggested here) which is String indexed. Due to this being a bit of ... string]: any; } = {}; 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 use ESLint with Jest

I'm attempting to use the ESLint linter with the Jest testing framework. Jest tests run with some globals like ... , or something like that? 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 best practices in case of $('document').ready

I was researching on jQuery best practices and found this article by Greg Franko Normally, I do: $("document" ... second one become the better? 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 - Implement Facebook API login with reactjs

I'm working on using Facebook's Javascript SDK for authentication. I've been able to import the SDK properly ... the login button into react? See Question&Answers more detail:os...

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

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643 views

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javascript - window.innerWidth vs document.documentElement.clientWidth

Regarding window.innerWidth and document.documentElement.clientWidth, Webkit (Chrome / Safari) claims innerWidth is smaller than ... "d"></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 - Mouse position in D3

I just wanted to get the mouse position using D3 by using the following code: var x = 0; svg.on('mousemove' ... use it later in my application? See Question&Answers more detail:os...

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

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388 views

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javascript - Get LatLng from Zip Code - Google Maps API

All I want is some simple example code that shows me how to obtain a latlng element from an inputted zip code OR a city/state. See Question&Answers more detail:os...

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

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141 views

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javascript - Adding items to an object through the .push() method

I'm doing a loop through few input elements of 'checkbox' type. After that, I'm adding values and checked ... just a method of Array Object. 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 can I make a function defined in jQuery.ready available globally?

I have a function that strips the youtube id off a url. I then want to use this function 10 time per ... to 'globally' declare this 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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259 views

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javascript - Add key value pair to all objects in array

I wanted to add a key:value parameter to all the objects in an array. eg: var arrOfObj = [{name: 'eve'},{ ... there was a better way to do so See Question&Answers more detail:os...

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

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155 views

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javascript - Responding with a JSON object in Node.js (converting object/array to JSON string)

I'm a newb to back-end code and I'm trying to create a function that will respond to me a JSON string. ... client side? 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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543 views

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javascript - Vue.js data-bind style backgroundImage not working

I'm trying to bind the src of an image in an element, but it doesn't seem to work. I'm getting an " ... fiddle: https://jsfiddle.net/0dw9923f/2/ 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 - How to display loading message when an iFrame is loading?

I have an iframe that loads a third party website which is extremely slow to load. Is there a way I can ... / inject anything on their 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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392 views

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javascript - Merging objects (associative arrays)

What’s the best/standard way of merging two associative arrays in JavaScript? Does everyone just do it by rolling their own for loop? See Question&Answers more detail:os...

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

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641 views

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javascript - eslint: error Parsing error: The keyword 'const' is reserved

I am getting this error from ESLint: error Parsing error: The keyword 'const' is reserved from this code: const ... here), but to no avail. See Question&Answers more detail:os...

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

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303 views

1 answer

javascript - How does jsPerf determine which of the code snippets is fastest?

Today I visited jsPerf and now I am wondering What is "ops/sec"? How many iterations does it do? On what ... -vs-join Can anyone tell 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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2.2k views

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javascript - how to check confirm password field in form without reloading page

I have a project in which I have to add a registration form and I want to to validate that the password and ... Thanks in advance for any 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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296 views

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javascript - Can you target an elements parent element using event.target?

I am trying to change the innerHTML of my page to become the innerHTML of the element I click on, the only ... like to stay away from JQuery See Question&Answers more detail:os...

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

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563 views

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javascript - Can mustache iterate a top-level array?

My object looks like this: ['foo','bar','baz'] And I want to use a mustache template to produce from it something ... list:['foo','bar','baz']} See Question&Answers more detail:os...

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

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246 views

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javascript - fs: how do I locate a parent folder?

How do I write this to go back up the parent 2 levels to find a file? fs.readFile(__dirname + 'foo.bar'); See Question&Answers more detail:os...

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

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152 views

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javascript - Get website's favicon with JS

I am wondering if it is possible to get a website's favicon by an URL with JavaScript. For example I have an ... link tag I think. Any ideas ? See Question&Answers more detail:os...

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

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260 views

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javascript - What is the difference between “this”, “$this” and “$(this)”?

What is the difference between these three forms: this $this $(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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