Recent questions tagged Javascript

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javascript - how to save canvas data to file

i am using node.js to save canvas to image img in writeFile is extractedby using toDataURL on my canvas element. it doenot ... exist.' }); } }); See Question&Answers more detail:os...

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

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699 views

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javascript - Randomize setInterval ( How to rewrite same random after random interval)

I'd like to know how to achieve: generate a random number after a random number of time. And reuse it. ... a different time- interval). 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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216 views

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javascript - Iframe inherit from parent

How do I make an <iframe> inherit its parent's styles and javascript. I have tried var parentHead = $("head", ... this that I'm missing? 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 - How do you override inline onclick event?

This seems deceptively simple. How do you override the onclick event in the following HTML using JavaScript? ... it with 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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120 views

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javascript - JS how to cache a variable

What I want to do is to be able to create a variable, give it a value, close and reopen the window, ... do that? JQuery answers are welcome. See Question&Answers more detail:os...

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

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288 views

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javascript - Showing console errors and alerts in a div inside the page

I'm building a debugging tool for my web app and I need to show console errors in a div. I know I ... Actually I want to catch console events. See Question&Answers more detail:os...

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

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231 views

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javascript - How can I edit on my server files without restarting nodejs when i want to see the changes?

I'm trying to setup my own nodejs server, but I'm having a problem. I can't figure out how to see changes ... and see changes live with node.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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129 views

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javascript - how to auto select an input field and the text in it on page load

Upon page load I want to move the cursor to a particular field. No problem. But I also need to select and ... is placed in that text field. 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 - Angular directive templateUrl relative to .js file

I'm building an angular directive which will be used in a few different locations. I can't always guarantee ... than updating the directive.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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357 views

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javascript - How to iterate using ngFor loop Map containing key as string and values as map iteration

I am new to angular 5 and trying to iterate the map containing another map in typescript. How to iterate below this ... div>{{map.size}}</div> See Question&Answers more detail:os...

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

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142 views

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javascript - How can I get the Typescript compiler to output the compiled js to a different directory?

I'm fairly new to TypeScript, and right now I have .ts files in several places throughought my project structure: ... but I am using WebStorm. 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 - Babel 6.0.20 Modules feature not work in IE8

I am trying to export a es6 module in header.js: export default { setHeaderHighlight: function (index) { // do ... something i can do with 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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330 views

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javascript - WooCommerce: trigger event after change of variation

We use Woocommerce to sell colorboxes. Mostly the variable-product option is chosen. We added a modal dialog with a ... and how? aprec any help! See Question&Answers more detail:os...

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

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315 views

1 answer

javascript - Sort or Rearrange Rows of a table in angularjs (drag and drop)

I wanted to have the functionality of rearranging rows in a table (sorting rows using drag and drop). And the index ... /tr> </tbody> </table> See Question&Answers more detail:os...

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

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147 views

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javascript - AngularJS Uploading An Image With ng-upload

I am trying to upload a file in AngularJS using ng-upload but I am running into issues. My html looks like ... I doing wrong in this process? See Question&Answers more detail:os...

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

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253 views

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javascript - How to login into a website with CasperJS?

How can I login with CasperJS by submitting a form. I searched google and haven't found any good examples about 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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219 views

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javascript - Detect if dropdown navigation would go off screen and reposition it

I've got your typical dropdown navigation, and I'm trying to make sure the drop menu links are always ... approach the problem. 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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351 views

1 answer

javascript - Open a Vuetify dialog from a component template in VueJS

I'm using the VueJS Vuetify framework and I need to open a dialog - that gets imported as a component template - ... > How to open the dialog? See Question&Answers more detail:os...

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

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350 views

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javascript - Google Map API v3 ~ Simply Close an infowindow?

Trying to simply close an infowindow? I already have an array of markers, so something like this would be good ... [i].infowindow.close(); See Question&Answers more detail:os...

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

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133 views

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javascript - Angularjs - simple form submit

I am going through learning curve with AngularJs and I am finding that there are virtually no examples that serve ... for everyone... My fiddle See Question&Answers more detail:os...

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

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131 views

1 answer

javascript - Getting timestamp from mongodb id

How do I get the timestamp from the MongoDB id? See Question&Answers more detail:os...

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

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207 views

1 answer

javascript - select2 changing items dynamically

I have two selects that are linked: Each value of the first select determines which items will be displayed in the ... ').select2(); </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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377 views

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javascript - How to Call a Function inside a Render in React/Jsx

I want to call a function inside some embedded html. I tried the following but the function isn't called. Would this be ... } </div> ); } } See Question&Answers more detail:os...

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

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211 views

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javascript - How much data / information can we save / store in a QR code?

I would like to use this script https://github.com/jeromeetienne/jquery-qrcode (or is there even a ... /github.com/jeromeetienne/jquery-qrcode See Question&Answers more detail:os...

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

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225 views

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javascript - Remove all the children DOM elements in div

I have the following dojo codes to create a surface graphics element under a div: .... <script type=text/ ... some dojo codes to do that? See Question&Answers more detail:os...

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

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463 views

1 answer

javascript - An index signature parameter type cannot be a union type. Consider using a mapped object type instead

I'm trying to use the following pattern: enum Option { ONE = 'one', TWO = 'two', THREE = 'three' } ... type instead. What am I doing wrong? See Question&Answers more detail:os...

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

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192 views

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javascript - Meteor publish/subscribe strategies for unique client-side collections

Using Meteor, I'm wondering how best to handle different client-side collections that share the same ... multiple server-side Collections? See Question&Answers more detail:os...

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

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192 views

1 answer

javascript - Draggables and Resizables in SVG

I want to make an svg element (path, rect, or circle) be able to be draggable and give it resize ... /resizable typically implemented in SVG? See Question&Answers more detail:os...

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

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