Recent questions tagged javascript

0 votes

295 views

1 answer

javascript - JQuery show and hide div on mouse click (animate)

This is my HTML code: <div id="showmenu">Click Here</div> <div class="menu" style="display: none;"> <ul> <li> ... ).slideUp("fast"); } ); }); See Question&Answers more detail:os...

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

0 votes

405 views

1 answer

javascript - Spam Prevention/Reduction - Contact Form?

I want to add a simple Contact form to my web site so that customers can contact me easily. <form> NAME < ... could use for my Contact form. See Question&Answers more detail:os...

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

0 votes

365 views

1 answer

javascript - clearing circular regions from HTML5 Canvas

It appears the only way to clear a region from a canvas is to use the clearRect() command - I need to ... ) clear circles for mask purposes? See Question&Answers more detail:os...

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

0 votes

540 views

1 answer

javascript - How to insert space every 4 characters for IBAN registering?

I'm really new in JavaScript and I would like to add to my input text, space insertion for IBAN account registering. < ... .substr(0, 34);}" /> See Question&Answers more detail:os...

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

0 votes

316 views

1 answer

javascript - async await in image loading

Temp.js export default class Temp { async addImageProcess(src){ let img = new Image(); img.src = src; return ... don't understand what I missed. See Question&Answers more detail:os...

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

0 votes

331 views

1 answer

javascript - JQuery $.ajax() post - data in a java servlet

I want to send data to a java servlet for processing. The data will have a variable length and be in key/value ... wrong or what am I missing? See Question&Answers more detail:os...

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

0 votes

311 views

1 answer

javascript - Return multiple elements inside React.render()

I am new in react and I encountered with this problem: render: function(){ return ( <h3>Account</h3> <a href ... in that way.. Any suggestion ? See Question&Answers more detail:os...

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

0 votes

699 views

1 answer

javascript - How to set image to fit width of the page using jsPDF?

Is there any way to solve this? I tried to set width and height in mm. How can I set it to full-width? See Question&Answers more detail:os...

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

0 votes

276 views

1 answer

javascript - return false the same as return?

Is return false the same as: return See Question&Answers more detail:os...

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

0 votes

451 views

1 answer

javascript - The use of the triple exclamation mark

Looking through the source code of one of our projects, I've found some amount of places where we're using ... some rare (or obvious) case? See Question&Answers more detail:os...

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

0 votes

495 views

1 answer

javascript - How to disable submit button once it has been clicked?

I have a submit button at the end of the form. I have added the following condition to the submit button: ... pass and null values are passed. See Question&Answers more detail:os...

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

0 votes

367 views

1 answer

javascript - Is there any reason to use a synchronous XMLHttpRequest?

It seems most everyone does asynchronous requests with XMLHttpRequest but obviously the fact that there is the ability ... that valid reason be? See Question&Answers more detail:os...

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

0 votes

389 views

1 answer

javascript - JSLint: was used before it was defined

Hi I have the 3 javascript files. jquery.js utility.js file1.js In file1.js I have jQuery.noConflict() jQuery( ... is the best solution to this? See Question&Answers more detail:os...

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

0 votes

320 views

1 answer

javascript - How can I change the current URL?

I have the following code that changes the pages from within JavaScript: var newUrl = [some code to build up ... the browser back button works. See Question&Answers more detail:os...

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

0 votes

486 views

1 answer

javascript - Subscribe to observable is returning undefined

So I am trying to subscribe to a simple service that return data from a local JSON file. I have managed to ... this.informationData; }); } } See Question&Answers more detail:os...

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

0 votes

313 views

1 answer

javascript - Google Maps API and KML File LocalHost Development Options

The Google Maps JavaScript version 3 API library documentation clearly explains: The Google Maps API supports the ... generated KML files? See Question&Answers more detail:os...

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

0 votes

456 views

1 answer

javascript - Truncate paragraph first 100 character and hide rest content of paragraph to show/hide rest contenct with more/less link

I have paragraph which has more than 500 character. I want to get only initial 100 character and hide rest of it. ... shortText.wrap('</span>'); See Question&Answers more detail:os...

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

0 votes

393 views

1 answer

javascript - jQuery - bind event on Scroll Stop

If i want to bind an event on page scrolling i can use scroll();. But how to fire when scroll() is ended ... /do somenthing else }); any ideas? See Question&Answers more detail:os...

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

0 votes

359 views

1 answer

javascript - How do you make images load lazily only when they are in the viewport?

I am seeing a lot of sites these days, mainly tutorial sites that have a lot of images and they only load ... were below the viewport fade in See Question&Answers more detail:os...

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

0 votes

352 views

1 answer

javascript - Sequelize: Using Multiple Databases

Do I need to create multiple instances of Sequelize if I want to use two databases? That is, two databases on ... way to achieve this? Thanks. See Question&Answers more detail:os...

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

0 votes

424 views

1 answer

javascript - Dynamically resize the d3 tree layout based on number of childnodes

From this example http://mbostock.github.com/d3/talk/20111018/tree.html I have build a d3 tree layout where the ... nodes of the d3 tree layout. See Question&Answers more detail:os...

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

0 votes

545 views

1 answer

javascript - Match non printable/non ascii characters and remove from text

My JavaScript is quite rusty so any help with this would be great. I have a requirement to detect non printable characters ( ... "); } }); }); See Question&Answers more detail:os...

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

0 votes

312 views

1 answer

javascript - Wait for image to be loaded before going on

I'm developing a game using JavaScript and canvas. As the game loads, all images that will be used are being ... advance for you help! J. See Question&Answers more detail:os...

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

0 votes

303 views

1 answer

javascript - Drawing lines on html page

How can we draw a line in html page. I tried using canvas but found that its not working. Maybe browser doesn ... Can there be other easier way. See Question&Answers more detail:os...

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

0 votes

367 views

1 answer

javascript - Usage of Hash(#) in URL

I was wondering is there any use of hash other than as an anchor in URL. I read about it here getting ... for the client? Please help. See Question&Answers more detail:os...

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

0 votes

356 views

1 answer

javascript - Electron IPC and nodeIntegration

So, I've followed a number of guides to set up Webpack, Electron, and React to make a desktop application ... know, otherwise thanks in advance. See Question&Answers more detail:os...

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

0 votes

461 views

1 answer

javascript - Chrome Extension get selected text

I am looking for a way to get the selected text into my Chrome extension. I want to ex. select a text in ... give me exactly what I want.. See Question&Answers more detail:os...

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

0 votes

231 views

1 answer

javascript - When to use promise.all()?

This is more of a conceptual question. I understand the Promise design pattern, but couldn't find a reliable ... reject if even one rejects. See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags