Recent questions tagged Javascript

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javascript - How do you detect the clearing of a "search" HTML5 input?

In HTML5, the search input type appears with a little X on the right that will clear the textbox (at least ... (x-position/y-position)? 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 - Creating a table linked to a csv file

I am trying to create a table linked to a *.csv file using d3, but all I get is a blank webpage. Even ... suggestion of what I am 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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javascript - jQuery.proxy() usage

I was reading the api about jQuery.proxy(). It looks promising but I was wondering in what situation is this best use. Can anyone enlighten me? 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 - Returning HTML With fetch()

I'm trying to fetch a file and return it's HTML. However it's not as simple as I'd have imagined. fetch(' ... correctly. How do I do fetch 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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javascript - react.js Replace img src onerror

I have a react component that is the detail view from a list. I am trying to replace the image with a default ... ); } } export default Contact; See Question&Answers more detail:os...

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

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430 views

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javascript - How to get the size of single document in Mongodb?

I encountered a strange behavior of mongo and I would like to clarify it a bit... My request is simple as that: I ... .find({test:"auto"})) 481 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 - Prevent orientation change in iOS Safari

Is it possible to avoid transition to landscape view in Safari for iOS when the device is rotated? iOS Safari ... way to block this behavior? See Question&Answers more detail:os...

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

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284 views

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javascript - AngularJS Directives: Change $scope not reflected in UI

I'm trying to making some custom elements with AngularJS's and bind some events to it, then I notice $scope.var ... did I do wrong? 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 - Detect between a mobile browser or a PhoneGap application

Is it possible to detect if the user is accessing through the browser or application using JavaScript? I'm ... user agent is an application 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 - In React, what's the difference between onChange and onInput?

I've tried searching around for an answer to this, but most of them are outside the context of React, where ... anyone shed some light on 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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javascript - Padding or margin value in pixels as integer using jQuery

jQuery has height() en width() functions that returns the height or width in pixels as integer... How can ... to Chris Pebble and Ian Robinson See Question&Answers more detail:os...

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

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302 views

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javascript - How to get Google Maps API to set the correct zoom level for a country?

Is there a was of automatically setting the zoom level based on the size of the country that the ... information freely available somewhere? 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

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javascript - How to make <input type="date"> supported on all browsers? Any alternatives?

I'm working with HTML5 elements input attributes and only Google Chrome supports the date, time attributes. I ... attributes to all browsers. 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 - Is it possible to sort a ES6 map object?

Is it possible to sort the entries of a es6 map object? var map = new Map(); map.set('2-1', foo); map.set('0-1', ... bar }, 1: {"2-1", foo } } 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 - Convert integer into its character equivalent, where 0 => a, 1 => b, etc

I want to convert an integer into its character equivalent based on the alphabet. For example: 0 => a 1 ... 's position in the alphabet. See Question&Answers more detail:os...

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

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304 views

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javascript - How to draw a vector path progressively? (Raphael.js)

How to animate a vector path like it's being drawn, progressively? In other words, slowly show the path ... well, see Animated Bézier Curves. 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 - CSS delivery optimization: How to defer css loading?

I am trying to optimize the CSS delivery following the google documentation for developers https://developers.google.com ... onload of the page? See Question&Answers more detail:os...

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

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304 views

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javascript - Detect if browser is running on an Android or iOS device

I need to change out some buttons and text on a mobile website depending on whether the user is viewing it on ... way to perform the check? See Question&Answers more detail:os...

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

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441 views

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javascript - How to split string with newline (' ') in Node?

Within Node, how do I split a string using newline (' ') ? I have a simple string like var a = "test.js ... "); but the above 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 - How do I read the contents of a Node.js stream into a string variable?

I'm hacking on a Node program that uses smtp-protocol to capture SMTP emails and act on the mail data. The ... Node.js stream into a 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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324 views

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javascript - Every Object is a function and every function is Object - Which is Correct?

I was reading this link JavaScript_syntax This seems to be cyclic - that every function is an Object and every ... explain in 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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322 views

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javascript - Download text/csv content as files from server in Angular

I am trying to stream a csv file from a node.js server. The server portion is very simple : server.get ... like something that should be simple. See Question&Answers more detail:os...

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

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320 views

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javascript - How to get an element's top position relative to the browser's viewport?

I want to get the position of an element relative to the browser's viewport (the viewport in which the page ... done in JavaScript? Many 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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299 views

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javascript - ASP.Net Master Page and File path issues

I'm trying to add a script reference to jQuery in my master page so that it will work for any ... it inside an asp:ContentPlaceHolder element See Question&Answers more detail:os...

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

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329 views

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javascript - Differences between detach(), hide() and remove() - jQuery

What is the functional difference between these three jQuery methods: detach() hide() remove() 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 - Detect if a page has a vertical scrollbar?

I just want some simple JQ/JS to check if the current page/window (not a particular element) has a vertical ... . How can this be done? See Question&Answers more detail:os...

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

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681 views

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javascript - Difference Between indexOf and findIndex function of array

I am confused between the difference between the two function indexOf and find Index in an array. The documentation ... a value in an array. See Question&Answers more detail:os...

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

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294 views

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javascript - Twitter Bootstrap: Print content of modal window

I'm developing a site using Bootstrap which has 28 modal windows with information on different products. I ... others? All help 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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