Recent questions tagged javascript

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javascript - Do the && and || operators convert their operands to booleans?

Flanagan's O'Reilly JavaScript book states: Unlike the && and || operators, the ! operator converts its ... can the expression be evaluated? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Getting all css used in html file

I have to get what are all the CSS styles used in a HTML file using JavaScript. <html> <head> <style type=" ... blue; } Is it possible to do? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Get text from field on keyup, but with delay for further typing

I have a form which is submitted remotely when the various elements change. On a search field in particular I'm using ... } }); return true; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How can I move selected option in multiselect up and down by buttons using jquery?

I have select <select multiple id="select2"> <option value="1">1</option> <option value="2">2</option> ... up and down by buttons using jquery? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Protractor times out waiting for sync with page when using $resource

I'm testing Protractor with a small AngularJS app. This is the test: describe('Testing Protractor', function() { ... . Protractor is v0.12.0. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Understanding and implementing jQuery autocomplete with AJAX source and appendTo

Below is my attempt at getting appendTo to work with jQuery autocomplete with AJAX source. I have multiple ... newbies and certainly myself. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How include an external JS file in a JSP page

I have an spring mvc app where in my main page, I need use an javascript file. I try include the file this way ... $('#results').draggable(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - React. Creating a function that returns html

I recently started working with react and I am facing a bit of an issue. Currently I have the following piece ... call it within the html? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to correctly validate a modal form

I can't seem to get validation to work on my bootstrap modal, I have struggled with several of the examples ... me in the right direction? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Order of execution of directive functions in AngularJS

What is the order of execution of directive functions? The documentation doesn't seem to address this. Ex template / ... () preLink() postLink() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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851 views

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javascript - How to choose between `window.URL.createObjectURL()` and `window.webkitURL.createObjectURL()` based on browser

From the Firefox developer website, I know that Firefox uses objectURL = window.URL.createObjectURL(file); ... /DOM/window.URL.createObjectURL See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Modifying Twitter Bootstrap's Tooltip Colors Based on Position

I am trying to output various colors for the tooltips (edit: from Twitter Bootstrap) but it seems I'm not quite ... : http://jsfiddle.net/rZxrm/ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Search for all instances of a string inside a string

Hello I am using indexOf method to search if a string is present inside another string. But I want to get all ... a method to get all positions? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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368 views

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javascript - Google Apps Script - Gmail, delete forever e-mails in trash with specific label

I'm trying to make a script that automatically deletes e-mails from a certain sender immediately and ... themselves permanently when received? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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793 views

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javascript - Get youtube animated thumbnail

Is there a way to embed the animated thumbnail from youtube in my website? I am not talking about the static ... .gif of about 3 seconds. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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509 views

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javascript - Detecting when an iframe gets or loses focus

What's the correct way of detecting when an iframe gets or loses focus (i.e. will or will not receive keyboard ... gets called */ }, false); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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141 views

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javascript - Google Map in Bootstrap Tab

I'm trying to get a Google Map to appear in a vanilla Bootstrap tab. I built a fiddle taken directly from the Bootstrap ... </div> </div> </div> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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153 views

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javascript - How do you parse a date from an HTML5 date input?

I have an input on my webpage that I am able to set the date on by getting an ISO string and ... consistency with date parsing in Javascript. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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176 views

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javascript - Using JQuery to open a popup window and print

A while back I created a lightbox plugin using jQuery that would load a url specified in a link into a lightbox ... code in the popup window. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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299 views

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javascript - Remove line break from textarea

I have a textarea like this: <textarea tabindex="1" maxlength='2000' id="area"></textarea> I watch this textarea ... know how to get rid of it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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312 views

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javascript - onscroll for div

Does a div element not have an onscroll event handler? The behaviour on my page doesn't seem to indicate the ... as per DOM event bubbling ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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140 views

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javascript - jQuery cross domain POST shenanigans

I'm trying to authenticate to an API, which only allows you to authenticate using a POST with JSON as form ... Your help is much appreciated :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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230 views

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javascript - How to use Promises with PapaParse?

PapaParse has an asynch callback function for its API. I was wondering how I can convert it to a promise. ... Any help would be appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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167 views

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javascript - Determine the position index of a character within an HTML element when clicked

I have an HTML element with only visible text inside. This example is a <div> element, but it could be a ... they will not become buggy later.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Most efficient way of rendering JSX elements when iterating on array of data in React

I have an array which contains objects. I am creating a map of this array to renders the names with a span ... ? If so, which is recommended? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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213 views

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javascript - Load data into a Backbone collection from JSON file?

I'm trying to load some data into a Backbone Collection from a local JSON file, using this very basic code: ... s nothing to do with that. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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146 views

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javascript - How to get < span > value？

There are a piece of code,but can not use <id> tag. So,how do I get to the <span> 1 2 3 4? <div id="test ... <span>3</span> <span>4</span> <div> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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243 views

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javascript - How to bind events on dynamic generated buttons in backbone?

How do I bind click event on dynamic generated buttons in backbone.js? window.PackageView = Backbone.View.extend( ... button call the function? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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