Recent questions tagged Javascript

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javascript - confirm form submit with jquery UI

I'm trying to confirm a submit form that is created using ruby on rails, but before submitting I have a condition that ... false; } }); }); 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 stop form submit during ajax call

I can only modify the code in the ajax call. The ajax call occurs when I click the submit in form named $('#form1'). ... ajax call. } } }); }); See Question&Answers more detail:os...

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

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359 views

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javascript - Changing a buffer from a ReadStream into an actual file

So I have this code: downloadFile(file_id) { return new Promise((resolve, reject) => { var mongoose = require ... file wasn't saved anywhere. 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 - Two arrays, where items in array x can be in array y but not vice versa, test all permutations

A small application that I have written allows a user to add various items to two arrays. Some logic calculates ... , and thanks in advance! 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 - allowing only alphabets in text box using java script

I want to allow only alphabets in textbox using JavaScript I used the code: var nam=f.nm.value; if(!isNaN(nam)) ... well. How can i fix 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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264 views

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javascript - React.js this.props.data.map() is not a function

I'm messing around with react and trying to parse and render a json object. Right now, I'm just setting it with ... map() is not a 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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javascript - var let is ok but let let isn't?

//Version A: var let = true; console.log(let);//true See Question&Answers more detail:os...

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

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387 views

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javascript - Chrome and IE sorts JSON Object automatically, how to disable this?

I am using the following JSON to create few checkboxes using JavaScript. {"5":"5.5" x 8.5"", "11":"7 ... disable auto sorting on Chrome and 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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542 views

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javascript - How to disable minimize, maximize button in the browser?

How to disable minimize, maximize button in the browser? 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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javascript - Definition of name property in assignment expression

Since ECMAScript 6, most function objects have a name property defined. Now, if an anonymous function expression is ... apply to this syntax. See Question&Answers more detail:os...

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

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423 views

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javascript - How to display Leaflet markers near the 180° meridian?

I am using Leaflet 1.0.0-rc.2+e02b5c9. I know the default is rendering all markers, polylines ... from longitude ... . Any ideas to fix 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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javascript - Are dynamically inserted <script> tags meant to work?

I have some code where a <script type="text/javascript"> block is dynamically inserted. This block contains a ... so is there a workaround? See Question&Answers more detail:os...

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

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468 views

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javascript - Produce a promise which depends on recursive promises

I have an array of integer ids, such as var a=[1,2,3,4,5] and I have a need to perform asynchronous ... How can I accomplish that in angularjs? See Question&Answers more detail:os...

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

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292 views

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javascript - Parsing Date from webservice

I'm getting dates back from a webservice, and they look like this: /Date(1310187160270+1200)/ How would I ... also, that would be appreciated. See Question&Answers more detail:os...

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

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362 views

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javascript - Replace multiple characters by one character with regex

I have this string : var str = '#this #is____#a test###__' I want to replace all the character (#,_) by (#) ... I can get my excepted output ? See Question&Answers more detail:os...

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

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491 views

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javascript - Drawing lines in canvas, but the last ones are faded

I'm trying to draw a grid of white lines on a black background. The bottom 3 horizontal lines seem faded until I ... know what I'm 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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239 views

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javascript - Angular2 calling custom function after ngSwitch new view is created

I am creating a small app using Angular2+Ionic2. In this app I want initialise google-map into view segment when ... 7.2.1 Build version 7C1002 See Question&Answers more detail:os...

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

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292 views

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javascript - Regex only capturing last instance of capture group in match

I have the following regular expression in two different languages that produces the same odd results (javaScript ... produces the same issue. See Question&Answers more detail:os...

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

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323 views

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javascript - How can % signs be used in identifiers

Browsing the v8 tree, under the src directory, some js files were there, providing some basic JS objects like Math, ... .js and all others?:wq See Question&Answers more detail:os...

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

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241 views

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javascript - NVD3 - How to refresh the data function to product new data on click

I have a line chart and every time the page refresh it changes the data, which is great but I need to to ... #update").on("click", data); See Question&Answers more detail:os...

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

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340 views

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javascript - React code throwing “TypeError: this.props.data.map is not a function”

I have just started coding in React, I am used to coding in CoffeeScript. I tried to code along the tutorial presented ... body); }).call(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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272 views

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javascript - JS check for valid date format

I have a text field where a user inputs a date-time in the format: dd/mm/YYYY hh:ii. I want to check ... won't succeed due to special months. See Question&Answers more detail:os...

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

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248 views

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javascript - jquery- get different page elements

I want to get element attribute value which belongs to other html page. For example if I am in file a.html and ... idea how can i achieve 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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263 views

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javascript interval

How can I use interval in js? For example I want to call a function every 5 seconds? <script type="text/ ... doesn't work, anyone know why? See Question&Answers more detail:os...

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

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314 views

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javascript - Why isn't possible to append a same child in two dom element?

I just notice I couldn't do var d1 = document.createElement('div'); var d2 = document.createElement('div'); var ... . Why isn't that possible ? See Question&Answers more detail:os...

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

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272 views

1 answer

javascript - All characters in a string must match regex

I'm sorry if this has been up before but I can't find anythin on google that gives what I want. I've a ... match any of thoose in the regex. See Question&Answers more detail:os...

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

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291 views

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javascript - Is there really no way to expose the prototype of a html element in IE (<8)?

I cooked up a pattern to create and extend html elements using their prototype. This works like a charm in ... HTML elements prototype in 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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309 views

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javascript - Repeat animation every 3 seconds

I am using WOW.js and animate.css, right now I am running my CSS to Infinite. I would like know how can I ... solution can be in JS or CSS3. See Question&Answers more detail:os...

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

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