Recent questions tagged JavaScript

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javascript - Why does componentDidUpdate() create an infinite loop?

I've stored url and a token in state in Parent component. I'm passing an url and a token as props from parent ... () based on the url type?? 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 - angularjs inject module after app initialization

Hello everyone I've been trying to do this with no luck for a few days. is there anyway to load asynchronously ... . :( Any help around 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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javascript - What is the point of using an ID attribute in a script tag?

Basically what I am asking is what is the point of giving my script tags an id attribute? Can the routines ... the script/page act funny? 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 - Regex for Password: "Atleast 1 letter, 1 number, 1 special character and SHOULD NOT start with a special character"

I need a regular expression for a password field. The requirement is: The password Must be 8 to 20 ... above please suggest. Thank you 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 - PropTypes on Higher Order Components

Is there a way for PropTypes from a component inside of a Higher Order Component to point back to where they were ... component. --> </div> See Question&Answers more detail:os...

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

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351 views

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javascript - function declaration faster than function expression?

The difference b/w function declaration & function expression is beautifully described in var functionName = function ... this move intentional? See Question&Answers more detail:os...

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

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282 views

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javascript - Enabling HTML 5 Mode in AngularJS 1.2

I'm working on an app that needs to use HTML 5 mode. Due to the fact that I am migrating an existing ... am I doing something wrong? Thank you 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 do I use react.js without a bundler?

Recently I have been playing around with react.js and I like the speed that I can develop working UI components. ... 'keys' of undefined. Why? See Question&Answers more detail:os...

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

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408 views

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javascript - Regex match count of characters that are separated by non-matching characters

I want to count characters, but they may be separated by characters that do not match. Here is an example. I ... correctly. Any ideas 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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javascript - Removing input placeholder on a printable version of an html page

I have a form with input fields. Each input field has a placeholder attribute. There is also a link displaying ... there is a better solution. See Question&Answers more detail:os...

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

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642 views

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javascript - jQuery: Close DIV by clicking anywhere apart from the DIV itself?

I have a div that slides down when a button is clicked, and I would like to slide up the div when a user: Clicks ... slow"); });}); </script> See Question&Answers more detail:os...

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

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562 views

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javascript - How do I handle local file uploads in electron?

I'm having a hard time figuring out how to approach file uploads in atom electron. I would post code but I ... into the app's nedb datastore. See Question&Answers more detail:os...

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

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460 views

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javascript - AngularJS - ng-model fails on contenteditable <span>

I'm learning AngularJS. I've come across something I can't explain, nor can I find any explanation for ( ... updates chunk.value and vice versa? See Question&Answers more detail:os...

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

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296 views

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javascript - SQL style JOIN on JSON data

Is there any way efficiently to join JSON data? Suppose we have two JSON datasets: {"COLORS":[[1,red],[2, ... the second dataset may have gaps. See Question&Answers more detail:os...

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

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441 views

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javascript - How to interactively display and hide lines in a Bokeh plot?

It would be nice to be able to interactively display and hide lines in a bokeh plot. Say, I have created ... I have absolutely no experience in. See Question&Answers more detail:os...

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

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486 views

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javascript - Set up node so it is externally visible?

Newbie question - might be more appropriate for ServerFault, apologies if so. I'm setting up node on Ubuntu 11.10 ... could suggest a good one. See Question&Answers more detail:os...

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

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3.7k views

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javascript - Function declarations should not be placed in blocks. Use a function expression or move the statement to the top of the outer function

I have the following code: if (typeof console === "object" && typeof console.error === "function") { function ... error and what does it mean? See Question&Answers more detail:os...

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

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371 views

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javascript - Close popup window

I have a popup window which is opened using this code: function _openpageview(fieldid,objectid,opennew) { var url='/ ... (); all did not 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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260 views

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javascript - How long does a Blob persist?

I'm trying to write a fail-safe program that uses the canvas to draw very large images (60 MB is probably ... the same thing as localStorage :P See Question&Answers more detail:os...

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

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327 views

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javascript - Firebase: Store server timestamp when document created

when I use this code : firestore().collection("item").add({...item, created: firebase.database.ServerValue. ... <-- actual word "timestamp" See Question&Answers more detail:os...

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

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362 views

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javascript - Jquery select all elements with an innerHTML that starts with a string?

I know you can use :contains to get elements who's innerHTML contains a certain string, but how can I get ... innerHTML starts with a string? See Question&Answers more detail:os...

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

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544 views

1 answer

javascript - bind google places autocomplete on textbox without instantiating a google map

I'm trying to add Google Places Autocomplete on my Website. I'm having a problem with binding my search ... around this? 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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642 views

1 answer

javascript - HTML5 draggable='false' not working in Firefox browser

I'm simply trying to apply HTML5 draggable='false' attribute to some images but it's not working in ... help would be appreciated. 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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443 views

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javascript - AngularJS checkbox dynamic ng-true-value expression

I'm trying to build a calculator for daycare prices in Angular. Every location in the company franchise has separate prices ... : 730 } } ] }; See Question&Answers more detail:os...

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

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647 views

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javascript - remove duplicate forward slashes from the URL

How can I remove duplicate forward slashes from the a url, but keep the // which comes after http: so ... to remove all the duplicate slashes. See Question&Answers more detail:os...

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

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554 views

1 answer

javascript - AngularJS error: fnPtr is not a function

I'm trying to write a sample AngularJS, and SpringMVC project. The spring methods works fine, but I have a ... , when I click the button. See Question&Answers more detail:os...

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

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460 views

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javascript - New CORS policy for Instagram public API?

I am using these endpoints with JavaScript Ajax to get Instagram user information and posts: https://www.instagram.com/[ ... How can I fix 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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2.7k views

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javascript - bcrypt Error: data and hash arguments required

I am getting a bcrypt error stating that data and hash arguments are required, referencing line #44 in my routes.js file. ... (user); } }); }) See Question&Answers more detail:os...

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

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