Recent questions tagged Javascript

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javascript - Regex for checking that at least 3 of 4 different character groups exist

I'm trying to write a password validator. How can I see if my supplied string contains at least 3 different ... I'm using javascript for 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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javascript - Finding out how many times an array element appears

I am new to JavaScript, I have been learning and practicing for about 3 months and hope I can get some help on ... true; break; } } </script> 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: noConflict

I just cannot work this out. My god it's making my brain hurt, so I turn to you, the good people of ... vast wasteland that is the API docs! 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 - Remove a FileList item from a multiple "input:file"

I have this DOM: var id = 0; $('input:file#upload')[0].files[ id ] That get's the first file on ... DOM's [object FileList] with 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 - Finding column index using jQuery when table contains column-spanning cells

Using jQuery, how can I find the column index of an arbitrary table cell in the example table below, such that cells ... ). How can I 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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402 views

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javascript - how can we use $compile outside a directive in Angularjs

I want to use $compile in a controller inside a function and not in a directive. is it possible? I am trying ... function but it is not working. 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 - Autoscroll in Angular 2

I'm experiencing an issue with Angular 2 where changing from one route to another does not automatically scroll to ... know how to 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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javascript - Is it possible to disable Ctrl + F of find in page?

I have a puzzle site and its an awful way of cheating. Its okay if only partially, but can it be done ... images, but anything easier than 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 - Uncaught IndexSizeError: Failed to execute 'getRangeAt' on 'Selection': 0 is not a valid index

What is problem here? if ( window.getSelection() ) EditField = window.getSelection().getRangeAt(0); throws error: ... is not a valid index. See Question&Answers more detail:os...

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

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959 views

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javascript - how does axios handle blob vs arraybuffer as responseType?

I'm downloading a zip file with axios. For further processing, I need to get the "raw" data that has been ... get the 'true' downloaded 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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356 views

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javascript - Basic Authentication With XMLHTTPRequest

I am attempting to use XMLHTTPRequest to get an update on twitter. var XMLReq = new XMLHttpRequest(); XMLReq.open ... some pointers? 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 - Create a DOM document from string, without JQuery

We're looking for ways to create a DOM document in javascript from a string, but without using Jquery. Is ... our content script too heavy. See Question&Answers more detail:os...

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

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442 views

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javascript - Accessing Angular inside Protractor Test

Is it possible to access angular within your protractor tests like you do in unit testing? Use case is that ... . Would appreciate any 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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408 views

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javascript - jQuery: Change element type from hidden to input

I've got an input which it's type is set to hidden, I need to change it's type to text. Can't seem to ... out or if it's possible with jQuery See Question&Answers more detail:os...

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

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343 views

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javascript - ES2017 - Async vs. Yield

I am confused about the current discussion of adding async functions and the keyword await to the next EcmaScript. ... like a while-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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485 views

1 answer

javascript - Catch scrolling event on overflow:hidden element

Any insights on how to catch a scrolling event on a element that has overflow:hidden? I would like to scroll ... a scrollbar to the user. See Question&Answers more detail:os...

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

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341 views

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javascript - How best to make a link submit a form

What's the best way to get a regular anchor (<a href="...">) to submit the form it is embedded in when ... input onclick="this.form.submit()" /> See Question&Answers more detail:os...

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

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520 views

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javascript - Is it possible to reset an ECMAScript 6 generator to its initial state?

Given the provided (very simple) generator, is it possible to return the generator back to its original state to use ... on in that same scope. See Question&Answers more detail:os...

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

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487 views

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javascript - Regular expression for not allowing spaces in the input field

I have a username field in my form. I want to not allow spaces anywhere in the string. I have used this regex ... ABC. What should the regex be? See Question&Answers more detail:os...

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

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421 views

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javascript - Problem using elem.dataset with IE and JSFiddle

In this JSFiddle I created on Chrome, I find that it's unable to work on IE (I'm using IE9). Any ... changeBGImage(this.dataset.index); }; } See Question&Answers more detail:os...

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

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755 views

1 answer

javascript - onclick="location.href='link.html'" does not load page in Safari

I cannot get onclick="location.href='link.html'" to load a new page in Safari (5.0.4). I am ... ? (Please verify compatibility with 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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501 views

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javascript - parseFloat rounding

I have javascript function that automatically adds input fields together, but adding numbers like 1.35 + 1.35 + ... had no luck with Math.floor See Question&Answers more detail:os...

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

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456 views

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javascript - Chartjs Bar Chart showing old data when hovering

I have a bar chart that's created using chart.js. Everything works fine on page load, but when I change ... old data no longer flickers? 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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919 views

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javascript - React-router v4 this.props.history.push(...) not working

I'm trying to route programatically using this.props.history.push(..) but it doesn't seem to work. Here's ... is still there. 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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617 views

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javascript - Why is iframe.contentWindow == null?

I use the following code to dynamically create an iframe. var iframe_jquery = $("<iframe>") .addClass("foo") . ... ; Same result. What's 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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656 views

1 answer

javascript - Safe value must use [property]=binding after bypass security with DomSanitizer

<p #mass_timings></p> //Controller code @ViewChild('mass_timings') mass_timings: ElementRef; ... How to remove this 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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446 views

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javascript - Scroll Position of div with "overflow: auto"

Given this HTML snippet: <div id="box" style="overflow:auto; width:200px; height:200px; border:1px solid black ... and jQuery at my hands. See Question&Answers more detail:os...

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

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444 views

1 answer

javascript - Null Conditional Operators

C# 6.0 has just been released and has a new nice little feature that I'd really like to use in ... length = customers.orders.length; } See Question&Answers more detail:os...

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

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