Recent questions tagged Javascript

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javascript - Using reserved words as property names, revisited

Can a reserved word be used as an object's property name? This issue was raised indirectly in a previous Stack ... is applied to the situation? See Question&Answers more detail:os...

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

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368 views

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javascript - Stop page execution like the alert() function

When I write alert('Hello'), the page execution stops and waits for approval to continue. I have a div setup to ... 'OK'. Is it possible ? See Question&Answers more detail:os...

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

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212 views

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javascript - regex to get the number from the end of a string

i have a id like stringNumber variable like the one as follows : example12 I need some javascript regex to ... the number will be different. See Question&Answers more detail:os...

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

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399 views

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javascript - "not well-formed" error in Firefox when loading JSON file with XMLHttpRequest

I'm getting a "not well-formed" error in the error console of Firefox 3.0.7 when the JavaScript on my page ... that can be used with plain text? See Question&Answers more detail:os...

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

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528 views

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javascript - Filtering an array with a function that returns a promise

Given let arr = [1,2,3]; function filter(num) { return new Promise((res, rej) => { setTimeout(() = ... -async-function.js for the specific code. See Question&Answers more detail:os...

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

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242 views

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javascript - Check if a key is down?

Is there a way to detect if a key is currently down in JavaScript? I know about the "keydown" event, but ... to be overcome / worked around. See Question&Answers more detail:os...

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

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319 views

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javascript - Catch only keypresses that change input?

I want to do something when a keypress changes the input of a textbox. I figure the keypress event would be best for ... So how should I do it? 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 - Inspecting WebSocket frames in an undetectable way

How I can read WebSocket frames of a web page in a Chrome extension or Firefox add-on, in a way that ... because it will soon be removed. 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 - Reverse Scrolling

I'm having trouble finding a solution to what I'm trying to accomplish. I am trying to use JS (or ... done would be greatly appreciated. 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 some innerHTML replacement in SVG/XML?

In HTML I can build a simple templating system by providing a template in form of a string, replace ... providing a solution is 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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263 views

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javascript - Show a second dropdown based on previous dropdown selection

First off, I hate bringing up an issue that has already been dealt with, but you should know the other options I have found ... Level 2b">lvl-3 Mission Runner - Level 2</option> <...

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

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758 views

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javascript - Add a delay after executing each iteration with forEach loop

Is there an easy way to slow down the iteration in a forEach (with plain javascript)? For example: var items = ... before the next el; }); See Question&Answers more detail:os...

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

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289 views

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javascript - Is it any limit for POST data size in Ajax?

I'm trying to send an array of data from my page to the MVC Action using jQuery Ajax. Here is my jQuery ... value="150000" /> </appSettings> See Question&Answers more detail:os...

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

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301 views

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javascript - How can I detect browser type using jQuery?

I want to detect if the user is using IE and Firefox but I cannot find the script. I have code as below: $ ... for chrome is work fine )}; See Question&Answers more detail:os...

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

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553 views

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javascript - Perform action when clicking HTML5 datalist option

I'm using a <datalist> <datalist id="items"></datalist> And using AJAX to populate the list function callServer ... ("change", 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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499 views

1 answer

javascript - Waiting for child window loading to complete

Is there an easy hook for detecting that a window opened by a script has finished loading? Basically, I want ... the child has finished loading? See Question&Answers more detail:os...

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

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323 views

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javascript - How to expose angular 2 methods publicly?

I am currently working on porting a Backbone project to an Angular 2 project (obviously with a lot of changes), ... , but others are welcomed.) See Question&Answers more detail:os...

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

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458 views

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javascript - Using jQuery AJAX to download a binary file

I am attempting to use jQuery AJAX to download a binary audio file. Normally I would just issue a command ... if possible. 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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300 views

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javascript - React.js - Syntax error: this is a reserved word in render() function

I'm stuck on a error for the reserved keyword "this". In my React Component below shows me passing in a ... ); } } export default RecipeList See Question&Answers more detail:os...

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

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353 views

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javascript - Using anchor tags in react-router 4

I want the page to scroll down to my anchor tags when a user navigates to it through an anchor link. I'm ... is it supposed to work exactly? See Question&Answers more detail:os...

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

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370 views

1 answer

javascript - 'Access-Control-Allow-Origin' issue when API call made from React (Isomorphic app)

I'm running into an issue with my isomorphic JavaScript app using React and Express. I am trying to make an ... wouldn't work either? 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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429 views

1 answer

javascript - How to mute an html5 video player using jQuery

I've found how to pause and play the video using jquery $("video").get(0).play(); $("video").get(0). ... sound as soon as the button is clicked. See Question&Answers more detail:os...

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

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476 views

1 answer

javascript - Change format of md-datepicker in Angular Material with momentjs

Angular material introduced a new date picker component found here. I want the date returned by this component ... returned by md-datepicker? See Question&Answers more detail:os...

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

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294 views

1 answer

javascript - How to select a range of elements in jQuery

<div id="myDiv"> <a>...</a> <a>...</a> <a>...</a> <a>...</a> <a>...</a> <a>... ... that could get very inefficient if there were a lot more as. See Question&Answers more detail:os...

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

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339 views

1 answer

javascript - String.Format not work in TypeScript

String.Format does not work in TypeScript. Error: The property 'format' does not exist on value of type '{ ... ]"], originalAttributes.Days ); See Question&Answers more detail:os...

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

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376 views

1 answer

javascript - Reload parent window from child window

How can I reload my child window's parent using 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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349 views

1 answer

javascript - Prevent IE11 caching GET call in Angular 2

I have a rest endpoint that returns a list on a GET call. I also have a POST endpoint to add new items ... for Angular 2(release candidate 1). See Question&Answers more detail:os...

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

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1.4k views

1 answer

javascript - Uncaught SyntaxError: Unexpected token u in JSON at position 0

Only at the checkout and on individual product pages I am getting the following error in the console log: ... error on the product pages. See Question&Answers more detail:os...

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

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