Recent questions tagged Javascript

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javascript - Sort Complex Array of Arrays by value within

I have an array of arrays in javascript set up within an object that I'm storing with local storage. It's high ... can't figured this one out. 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 - ng-table not working for dynamic data

I have created a table and I am using http to load the data in the tables. So, in every click, my table data ... anyone know, how to fix 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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javascript - Why does reflow need to be triggered for CSS transitions?

I was reading this article http://semisignal.com/?p=5298 and the author wrote that "Reflow needs to be ... the transition work? 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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javascript - Add timestamp to named column in Google Spreadsheet onEdit script

I'm trying to figure out how to retrieve the index of a column with a specific name in a Google Spreadsheet ... ); lastCell.setValue(date); } 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 - What are the differences between group and layer in KineticJs

I am developing a HTML5 web application using KineticJS. I read that in KineticJS there are grouping and layering. ... tell me the differences? See Question&Answers more detail:os...

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

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193 views

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javascript - Multipart form data post method using express js

I tried to post form data to my express js server side. This is my pug file form(action="/profile" method ... post data from my console result. 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 - querySelectorAll.style does not work

I am writing something in JavaScript that I need to use querySelectorAll.style but it always returns undefined, but it ... ';// doesn't work 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 - angular2 xhrfields withcredentials true

I am trying to login to a system. In angular 1, there was ways to set withCredentials:true But I could not find a ... json().results); }); } } 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 - JQuery InnerText not including sub element

Im wondering how I would get the text of a nested list item without getting the text of its children i.e ... help appreciated. Cheers, Chris. 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 - Make password textbox value visible after each character input

I have a password field : <input class="form-control" type="password" name="password" required="required" / ... resolve this 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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153 views

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javascript Change the Dropdown values based on other dropdown

I have a requirement When selected a dropdown value, it has to filter or remove the values of other dropdown ... help on this 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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636 views

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javascript - Microsoft JScript runtime error : Code : 800A1391 'console' is undefined while running node.js program

I am new to node.js. I have created a file named myFirst.js after installing node.js in Windows machine. The ... my first node.js code block ? 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 - Best practice to avoid memory or performance issues related to binding a large number of DOM objects to a click event

First of all, I am testing various approaches using Chrome Dev Tools but I don't consider myself 'expert' ... 'd really appreciate that too. See Question&Answers more detail:os...

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

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155 views

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javascript - Class vs Prototype

What makes ES6 class syntax better than traditional prototype approach? Should I replace all my current objects ... the cross browser stuff? See Question&Answers more detail:os...

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

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199 views

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javascript - Use of require(lib) versus <script> in Electron apps

I don't have a handle on when to use require('jslib') versus <script src=""></script> in Electron content ... tag or if I should require them. See Question&Answers more detail:os...

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

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164 views

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javascript - How to pass a variable into a setTimeout function?

I'm trying to set five staggered function calls (happening one second apart). That part works fine. What doesn't work is ... result: 0 1 2 3 4 See Question&Answers more detail:os...

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

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127 views

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javascript - How to distinguish between a variable that is not declared and a varrable that is declared but not be assigned any value?

Both scenario, the typeof the variable will be "undefined". But undeclared variable will raise a exception. Is there a easy way to handle 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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300 views

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javascript - Changing the cursor in ASP.NET while loading doesn't work without a JS alert

I want to change the cursor to an hourglass in my asp.net application to let my users know that the process ... this to work without the alert? See Question&Answers more detail:os...

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

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153 views

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javascript - What does the Array method `reduce` do?

I found a very useful function reduce, and I'm using it, but I'm not sure if I understand it properly. Can ... Why does it give the result 21? See Question&Answers more detail:os...

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

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144 views

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javascript - How to filter Object using Array.prototype.filter?

Given var arr = [1,2,true,4,{"abc":123},6,7,{"def":456},9,[10]] we can filter ... object without using anonymous function callback pattern ? See Question&Answers more detail:os...

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

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280 views

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javascript - chrome Pop-up blocker when to re-check after allowing page

I've having app which sometimes open the popup blocker, when the user run the application chrome have some flag ... exception and then I see See Question&Answers more detail:os...

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

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316 views

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javascript - Showing Placeholder text for password field in IE

I know there is a ton of placeholder questions, but I am trying to perfect mine. My current code works great and ... " maxlength="30"></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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146 views

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javascript - Convert object to an array of objects?

I have an object that looks like this: { "1": "Technology", "2": "Startup", "3": "IT", } and I ... be the cleanest & efficient way to do 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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239 views

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javascript - Shuffle all DIVS with the same class

What I need done is: Original State: <div class="shuffledv"> <div id="1"></div> <div id="2"></div> < ... let me know if you need anymore info. See Question&Answers more detail:os...

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

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236 views

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javascript - How to use arrow function with || operator

Using Babel, I can see that callback = () => {}; compiles to callback = function callback() {}; which ... ES6 version of this familiar 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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266 views

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javascript - What is the difference between $(document).ready(function() and $(function() ?

So I know what this does: $(document).ready(function(){ // Your code here... }); Now I have seen people ... that this may just run on pageload. See Question&Answers more detail:os...

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

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172 views

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javascript - Constant declaration with block

Recently I was looking into Firefox Add-on Builder SDK sources, and stumbled on such constants declaration: const { ... what's going on here? 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 - Allow window.open to open new window and not popup

I have this JS code: window.open(loginurl, '_blank'); coming from a condition for example: if (userloggedin ... be highly 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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