Recent questions tagged javascript

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I have a form that submits information to a database. How can I make it so that when I click the submit ... it does not submit the information. 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 - Add class to element when scrolled into view (scrollable div)

Is there a solution for adding a class to the element in view when scrolling, and removing when out of view? This ... in-view'); } Thanks, R See Question&Answers more detail:os...

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

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240 views

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javascript - Get string inside parentheses, removing parentheses, with regex

I have these two strings... var str1 = "this is (1) test"; var str2 = "this is (2) test"; And want to write ... = str1+str2; //produces "(1)(2)" 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 - Add image into div and convert base64 string into thumbnail using jQuery

The base64 string received into var img. Then I need to convert into an image ... HGfEGxhA24BvPEPPgcfnP6ZQzB9E2SnlLwTEgXAgHxE8yipjcZXxHU//2Q== See Question&Answers more detail:os...

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

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253 views

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javascript - ES6 destructuring function parameter - naming root object

Is there a way to retain the name of a destructured function argument? I.e., the name of the root object? ... ({rows, columns}); }; 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 - Modify prototypes of every possible DOM element

Updated title to better reflect what I'm trying to do. In short, there are different constructors for ... (besides setInterval, please)? See Question&Answers more detail:os...

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

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180 views

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javascript - Php to get value of hash from URL

How can I get a variable of a hash in php. I have a variable on page like this catalog.php#album=2song=1 ... and put them into PHP variables? 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 - Idiomatically handling pre-conditions with ES6 Promises

I am new to ES6 Promises and have been doing research. I have some code executing in NodeJS that does some ... for a best-practice 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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javascript - D3: .transition() not working with events

I'm busy plotting a bar chart using D3 in Angular4. // Enter Phase this.chart.selectAll('.bar') .data(this. ... effect to the new data set. 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 - Should I use .innerHTML or .value for <textarea>?

This is a follow-up of Does this not work because I can't use a script in a div? Where I left off, I had ... in a form and then use "value"? See Question&Answers more detail:os...

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

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307 views

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javascript - Canvas drawImage - visible edges of tiles in firefox/opera/ie (not chrome)

I'm drawing a game map into canvas. The ground is made of tiles - simple 64x64 png images. When I ... compensated, still with visible edges: See Question&Answers more detail:os...

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

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210 views

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javascript - GetBBox of SVG when hidden

I'm trying to solve this problem for more than one day now, but I can't find an answer. My problem is that ... know how to do it. Best regards See Question&Answers more detail:os...

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

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203 views

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javascript - Object Comparing: check if an object contains the whole other object

I have two objects. Their structure looks a bit like this: { education: ["school", "institute"], courses: [" ... a way of doing that? 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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363 views

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javascript - Prevent uglifyjs from renaming certain functions

I have a function that has a constructor within it. It creates a new object and returns it: function car() ... to preserve some function's name? See Question&Answers more detail:os...

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

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298 views

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javascript - Pros and cons of using react's life cycle methods in arrow function format

I'm using the public class field syntax (handler = () => {...}) to define all my React components' ... life cycle method with arrow functions? See Question&Answers more detail:os...

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

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244 views

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javascript - Mongoose - Version Error: No matching document found for id

Context: I have a Post Mongoose model that contains a csv_files array field to store csv strings. I make ... csv_files array without the error? See Question&Answers more detail:os...

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

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194 views

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javascript - Styling Polymer paper-slider

So I'm essentially wrapping the standard paper-slider element with a custom element, and wanting to include some ... when the value is 100. See Question&Answers more detail:os...

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

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236 views

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javascript - Revisiting extending native prototypes after ECMAScript 5

Recently, given the changes to defining properties in ECMAScript 5, I have revisited the question of whether we ... now? Please discuss. See Question&Answers more detail:os...

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

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240 views

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javascript - Replace words in a string, but ignore HTML

I'm trying to write a highlight plugin, and would like to preserve HTML formatting. Is it possible to ... help would be gratefully appreciated. See Question&Answers more detail:os...

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

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151 views

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javascript - Apply Transition effect when adding and remove class

Trying to add sliding transition effect when add and remove class. Tried to this sticky nav js below: lastScroll = ... slide effect like 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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349 views

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javascript - Blazor two-way bind not detected when is updated from JS

I have a simple two-way binded component: <input type="text" id="myInput" bind="@MyVar" /> ... @functions ... may be solution, but not working. See Question&Answers more detail:os...

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

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293 views

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javascript - How do I get a Terrain Map in UI Controls HERE Maps v3.1

After upgrading to the v3.1 Javascript SDK with vector/WebGL rendering, there is now no terrain layer in the ... our customers use this layer. See Question&Answers more detail:os...

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

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168 views

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javascript - How to add custom nodes and properties to AlloyUI diagram builder

I have been trying to use diagram builder example of AlloyUI. I need to add some extra custom node types as ... attributes to nodes. Any ideas? See Question&Answers more detail:os...

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

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147 views

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javascript - Why set a property both on the function and its prototype?

I was trying to understand OOP model of JavaScript, so I was reading this article: https://developer.mozilla.org/ ... the author add that line? See Question&Answers more detail:os...

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

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154 views

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javascript - Node.js copy remote file to server

Right now I'm using this script in PHP. I pass it the image and size (large/medium/small) and if it's on my ... Anyone know of a way in Node.js? See Question&Answers more detail:os...

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

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203 views

1 answer

javascript - How to add color on specific words on QML Text

Hello i would like to add different color on specific words of a string to be used in QML Text Text { text ... possible? and how is it achieved? See Question&Answers more detail:os...

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

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232 views

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javascript - replaceText() RegEx "not followed by"

Any ideas why this simple RegEx doesn't seem to be supported in a Google Docs script? foo(?!bar) I'm ... regular expression pattern foo(?!bar) See Question&Answers more detail:os...

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

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225 views

1 answer

javascript - CORS error when accessing local JSON file using vanilla JS AJAX request?

I am trying to use a vanilla JS AJAX request to pull back a JSON string from a locally stored JSON file ( ... for any insights - many 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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