Recent questions tagged Javascript

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javascript - How do I focus an HTML text field on an iPhone (causing the keyboard to come up)?

I'm writing an iPhone web app, and I want to automatically focus a text field when the page is loaded, bringing ... to be working. 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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443 views

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javascript - How to disable legend click to stop pie slice from disappearing in Highcharts?

How to disable legend click to stop pie slice from disappearing in Highcharts?? See example here: http://www. ... pie-legend Can anyone 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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137 views

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javascript - Return an object key only if value is true

How do i return an object key name only if the value of it is true? I'm using underscore and the only thing i ... array with only 1001 in 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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145 views

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javascript - compare strings and get end difference

I have two strings. String A: "The quick brown fox" String B: "The quick brown fox jumps over the lazy dog." ... "jumps over the lazy dog."? See Question&Answers more detail:os...

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

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169 views

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javascript - Using socket.io standalone without node.js

(JavaScript newbie) I am trying to build a JavaScript based client app that communicates with a server app over ... thread, if necessary) ) 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 - removeEventListener without knowing the function

Some of the third party plugin will attach the eventListener into the site. How to I remove the eventListener ... help, 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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184 views

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javascript - jQuery check if any text input has value

I want to ask if there's a better way in jQuery to select multiple text input then check if any of them has a ... { /*logic goes 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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624 views

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javascript - Using onbeforeunload without dialog?

I'm trying to post data when a user leaves my page. I have finally managed to find a working solution, however, it ... type, }); return ''; } See Question&Answers more detail:os...

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

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247 views

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javascript - IE9: Why setting "-ms-transform" works from css, but not with jquery.css()

This works div{ -ms-transform: rotate(30deg); } And following does not $("div").css("-ms-transform"," ... IE9 supports it. Older versions dont. See Question&Answers more detail:os...

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

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322 views

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javascript - Reuse XMLHttpRequest object or create a new one?

I searched stackoverflow but got contradictory answers: Why should I reuse XmlHttpRequest objects? Ajax-intensive page: ... all Ajax tasks. See Question&Answers more detail:os...

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

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185 views

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javascript - Change the options array of a select list

Is there a way to change the options array of an html select list using javascript or mootools? I need to replace the ... ').add(opt, null); } See Question&Answers more detail:os...

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

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184 views

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javascript - Using conditionals inside template literals

I know there are more elegant ways to define a string with variables included, but if I want to add a ... it possible to include if shortcut? See Question&Answers more detail:os...

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

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119 views

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javascript - Specifying the value output of of an HTML5 input type = date?

I'd like to add native date pickers to my application, which currently uses a legacy, home-rolled system. ... control this output, currently? See Question&Answers more detail:os...

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

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182 views

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javascript - Remove all content using pure JS

I'm looking for a way to remove the entire content of a web page using pure Javascript -- no libraries. I ... the doctype and <?xml declaration. See Question&Answers more detail:os...

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

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122 views

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javascript - pipe() and then() documentation vs reality in jQuery 1.8

Update: This question is now out of date as the documentation is accurate and up to date. I've been exploring ... pipe() can be made equivalent? 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

1 answer

javascript - How do I remove an element in a list, using forEach?

var people = ['alex','jason','matt']; people.forEach(function(p){ if(p.length > 4){ //REMOVE THIS ... of the list, using this forEach loop. See Question&Answers more detail:os...

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

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296 views

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javascript - Is event a global variable that is accessible everywhere inside the callback chain?

I was just playing around with event listeners with DOM and Javascript and did notice this: function chained(msg) { ... am using Chrome 11.0.x See Question&Answers more detail:os...

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

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322 views

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javascript - destructuring falsy and null with default parameters

I'm trying to understand how falsy and null values are destructured with default parameters. Here are some examples ... is an empty string? See Question&Answers more detail:os...

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

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1.1k views

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javascript - Insert dash after every 4th character in input

I want insert a dash after every 4th character in input. I have a credit card input box. When a user is typing and ... ).val(cardValue); } } }); See Question&Answers more detail:os...

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

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353 views

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javascript - Is there a way to "require" a JS file only once in nodejs?

I have just started working with nodejs. I wonder if there is a way to "require" a file only once in an ... me to all PHP related questions. See Question&Answers more detail:os...

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

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160 views

1 answer

javascript - RegEx Ignore Case

I've been trying to create a regex which would ignore the casing. This is the regex i am trying to use: /^ ... anyone ? Thanks a lot 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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624 views

1 answer

javascript - Failed to execute 'atob' on 'Window'

I'm trying to save my HTML file in Chrome when the user presses ctrl + s keys but Chrome is crashed. (I want to ... [0].innerHTML + "</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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192 views

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javascript - Find the "potential" width of a hidden element

I'm currently extending the lavalamp plugin to work on dropdown menus but I've encountered a small problem. I need ... must be a better way... See Question&Answers more detail:os...

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

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213 views

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javascript - Find last matching object in array of objects

I have an array of objects. I need to get the object type ("shape" in this example) of the last object, ... the shape of the object = round? 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 - Could not find "store" in either the context or props of "Connect(App)"

I'm having problems with misconfigured Redux after merging contents of multiple files into one to serve as config for Redux ... ) }) )(App); See Question&Answers more detail:os...

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

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919 views

1 answer

javascript - Datatables TypeError: c is undefined

I try to use jQuery DataTables but I get the error TypeError: c is undefined I don't know what is wrong with my code as ... LOGIN" } ] } ); } ); See Question&Answers more detail:os...

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

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470 views

1 answer

javascript - close fancy box from function from within open 'fancybox'

Hi all i want to be able to close fancyBox when it is open from within. I have tried the following but to ... will not close down. any hints? 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

1 answer

javascript - Why doesn't document.addEventListener('load', function) work in a greasemonkey script?

It doesn't give an error, and I put a console.log('loaded userscript wifi-autologin'), the console. ... .addEventListener('load', submitAction); See Question&Answers more detail:os...

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

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