Recent questions tagged Javascript

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javascript - How to Toggle a div's visibility by using a button click

Below is my javascript code which i used to show a div when clicked on a button. How can I hide it when clicked ... 'none'; }; } </script> 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 do I move file a to a different partition or device in Node.js?

I'm trying to move a file from one partition to another in a Node.js script. When I used fs.renameSync I ... either. How can this be done? 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 - Using mousedown event on mobile without jQuery mobile?

I've built a webapp, and for a little bit of polish, I wanted to add mousedown and mouseup handlers to swap ... so without jQuery Mobile's CSS? 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 - Onresize for div elements?

Visual Studio highlighted my onresize attribute of my div tag, and says that it isn't a valid attribute for HTML5. ... this would be the case. See Question&Answers more detail:os...

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

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400 views

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javascript - What does "WebSocket is closed before the connection is established" mean?

I'm using JavaScript and the Union platform How would I go about diagnosing this problem? Many 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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324 views

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javascript - Protractor: Scroll down

I have an button on my page that is visible when the user scrolls down. Because of this, protractor tests give ... . Any other way around 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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419 views

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javascript - Programmatically triggering typeahead.js result display

I am using Twitter's typeahead.js (https://github.com/twitter/typeahead.js/) on an input field which ... 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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980 views

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javascript - Add image in pdf using jspdf

I am using jspdf to convert an image into a PDF. I have converted the image into a URI using base64encode. But the ... 15, 40, 180, 160); } 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 deterministically verify that a JSON object hasn't been modified?

According to MDN documentation for JSON.stringify: Properties of non-array objects are not guaranteed to be ... to determine object equality? 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 is body.scrollTop deprecated?

It seems body.scrollTop (and body.scrollLeft) are deprecated in ES5 strict-mode. What is the reason for this, ... , bodyrefers to document.body] See Question&Answers more detail:os...

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

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510 views

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javascript - Is it possible to use HTML's .querySelector() to select by xlink attribute in an SVG?

Given: <body> <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <a xlink ... to make it 'see' the xlink:href? See Question&Answers more detail:os...

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

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373 views

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javascript - Is there an onload event for input elements?

Is it possible to trigger a Javascript script, when an input element or any other html element is rendered. This ... this' to the js 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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243 views

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javascript - change html input type by JS?

How to do this through the tag itself change type from text to password <input type='text' name='pass' /> Is ... type='text' to type='password'? See Question&Answers more detail:os...

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

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640 views

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javascript - Using JQuery to bind "focus" and "blur" functions for "window", doesn't work in IE

I need to use JQuery like the follwoing: var focusFlag = 1; jQuery(window).bind("focus", function(event) { ... this doesn't work for IE? See Question&Answers more detail:os...

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

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517 views

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javascript - How to hide a mobile browser's address bar?

Safari and Chrome on mobile devices both include a visible address bar when a page loads. As the body of the ... see if anybody has 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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520 views

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javascript - Why React Hook useState uses const and not let

The standard way to use a React useState Hook is the following: const [count, setCount] = useState(0); However ... not defined as let count? See Question&Answers more detail:os...

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

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341 views

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javascript - ES6 deep nested object destructuring

I have an object called this.props which contains { actions: Object, dirty: false, form: "Statement", autofill ... = isConfirmed, b = statement See Question&Answers more detail:os...

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

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410 views

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javascript - Nested ES6 classes?

It seems possible to nest a class in a constructor which can then be instantiated from anywhere within the class ... //# sourceURL=traceured.js See Question&Answers more detail:os...

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

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883 views

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javascript - RXJS Wait for all observables in an array to complete (or error)

I'm pushing observables into an array like such... var tasks$ = []; tasks$.push(Observable.timer(1000)); tasks$ ... e.g. mapping them together). See Question&Answers more detail:os...

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

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328 views

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javascript - Can AJAX request data from a remote server?

Can I use XMLHttpRequests in JavaScript to request a file on a different server than the one from where the request was made? Thank you. See Question&Answers more detail:os...

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

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279 views

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javascript - How do display a collapsible tree in AngularJS + Bootstrap

I am building a web app where I need to display a tree using lists. My basic structure looks like this: * Node 1 * ... (children); } } }; }); See Question&Answers more detail:os...

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

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487 views

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javascript - Node.js POST causes [Error: socket hang up] code: 'ECONNRESET'

I created a sample to post data to a rest services and I found out that when I have non-ascii or non- ... bodyParser());, the error disappears. See Question&Answers more detail:os...

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

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310 views

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javascript - Converting an image to base64 in angular 2

Converting an image to base64 in angular 2, image is uploaded from local . Current am using fileLoadedEvent. ... readAsDataURL(fileToLoad); } } See Question&Answers more detail:os...

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

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462 views

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javascript - Change Button color onClick

I want my Button to change color every time I click on it. But it only changes color on the first click. I believe the ... )";/> </body> </html> See Question&Answers more detail:os...

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

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494 views

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javascript - Measure distance between two HTML elements' centers

If I have HTML elements as follows: <div id="x"></div> <div id="y" style="margin-left:100px; ... between them in pixels using JavaScript? See Question&Answers more detail:os...

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

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531 views

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javascript - Regex for Umlaut

I am using JS Animated Contact Form with this line of validation regex: rx:{".name":{rx:/^[a-zA-Z'][a-zA ... have to do, to allow also Umlauts? 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 - How can I return a view from an AJAX call in Laravel 5?

I'm trying to get an html table to return on an ajax call. route: Route::post('job/userjobs', ' ... an ajax call in Laravel 5. See Question&Answers more detail:os...

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

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424 views

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javascript - Use Object.assign or Spread Operator in React/Redux? Which is a better practise

I have some confusion about using Object.assign for React and Redux. I read this article. It says ES6 Does ... alternative for the above 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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