Recent questions tagged JavaScript

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javascript - Comparing two arrays in jquery

Using this code... var a = ['volvo','random data']; var b = ['random data']; var unique = $.grep(a ... position in Array b which is zero index. See Question&Answers more detail:os...

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

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763 views

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javascript - Setting focus of a screen reader on a modal alert in ember

I am attempting to make my ember.js app more accessible and am doing my testing via Apple's built-in ... between screen readers. Thanks!!! See Question&Answers more detail:os...

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

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665 views

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javascript - d3 + vx react chart curve flat at each data point

I am trying to build something along the lines of https://dribbble.com/shots/2673159-Funnel-UI-concept/attachments/ ... curves than the d3 docs? See Question&Answers more detail:os...

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

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652 views

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javascript - Google api v3 show nearby markers on customer road

How can I show only the markers (they are predefined, but hidden for the whole map), which are nearby (may ... (window, 'load', initialize); 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 - In ES2015 how can I ensure all methods wait for object to initialize ? With ES7 decorators?

I have an ES2015 class that connects to a remote service. The problem is that my code tries to access this class before ... 't see how to do so. See Question&Answers more detail:os...

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

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834 views

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javascript - Difference between Object.prototype.hasOwnProperty.call and {}.hasOwnProperty.call.(eslint rule guard-for-in)

In the eslint rule guard-for-in , use for in directly is incorrect. The good practice is for (key in foo ... Anyone can show a specific example? See Question&Answers more detail:os...

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

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605 views

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javascript - How do I bring an already existing open window to the front on top of other windows from another windows code?

The question was fairly descriptive but I'll describe it further. Basically, I have window1. Clicking a button link ... get it to work properly. See Question&Answers more detail:os...

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

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922 views

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javascript - Regex to match certain characters and exclude certain characters but without negative lookahead

I want a regex that matches all emojis (or most of them) but excludes certain characters (such as | | | ... with Google Script's findText)? See Question&Answers more detail:os...

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

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559 views

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javascript - Setting name of DOM-created element fails in IE -- workaround?

I got bit hard by this today: function mk_input( name, val ) { var inp = document.createElement( 'input' ) ... , but maybe I missed something. See Question&Answers more detail:os...

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

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1.1k views

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javascript - this.$refs[("p" + index)].focus is not a function

I'd like to turn a div into input box on click, so that the post (which is rendered inside a loop) can be ... a function How can I fix this? See Question&Answers more detail:os...

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

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715 views

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javascript - "dangerous use of the global this object" warning in Google Closure Compiler

I have some code that looks like this: var MyObject = function () { this.Prop1 = ""; this.Prop2 = []; ... my code? Thanks for your suggestions. See Question&Answers more detail:os...

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

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685 views

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javascript - using await inline on variable in outer scope

(async function iife () { const numbers = [1, 2, 3, 4] let count = 0 async function returnNumberAsync (number) { ... when I count += await ?? See Question&Answers more detail:os...

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

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626 views

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javascript - Sort an integer array, keeping first in place

How would I sort arrays as follows: [10, 7, 12, 3, 5, 6] --> [10, 12, 3, 5, 6, 7] [12 ... there are any) then ascending from the lowest integer See Question&Answers more detail:os...

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

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677 views

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javascript - Update datatable with ajax request

I want to implement a Datatable into a theme, which gets the data via an Ajax Request. Once the document is ... hope you guys can help me. See Question&Answers more detail:os...

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

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589 views

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javascript - What are the drawbacks of accessing DOM elements directly by ID?

Today I stumbled upon the possibility to access a DOM element in Javascript simply by its id e.g. like this: ... or framework methods are used. See Question&Answers more detail:os...

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

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810 views

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javascript - Best way to load and unload JS file via JQuery

I've been frustated trying to find the best way to load and unload some JS file via jQuery, this was last what I ... , all i got is same result. See Question&Answers more detail:os...

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

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856 views

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javascript - JQuery Click event not being triggered in Safari?

I'm trying to do something when a user selects an option from a select box - As simple as can be right ... after double-clicking the select box? See Question&Answers more detail:os...

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

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491 views

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javascript - How do I give this spaceship acceleration?

Have a very small snippet of an asteroids-like game I'm working on using only the DOM without Canvas. I have the " ... down = true; }; </script> See Question&Answers more detail:os...

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

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977 views

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javascript - mongoose: find most recent document

I have mongoose schema which has a day attribute which is just Math.floor((new Date()).getTime() / (24 * ... documents, how could I do this? See Question&Answers more detail:os...

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

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597 views

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javascript - Expected ratio of ServiceWorker instances to Geolocation Updates

EDIT: There is a new version of my Brotkrumen Web App in the same location. Most important design/ ... ServiceWorker instantiation over time? See Question&Answers more detail:os...

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

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615 views

1 answer

javascript - Get the character count of a textarea including newlines

I tested this code in Chrome and there seems to be a bug involving the newlines. I am reaching the maxlength before I ... "max">0</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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918 views

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javascript - How to use LocalStorage on last HTML select value

How can I set/retrieve the last selected value of a select drop-down with JavaScript? I'm trying to create an ... http://jsfiddle.net/5yJNL/1/ See Question&Answers more detail:os...

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

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531 views

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javascript - Launch an exe from browser (Windows)

I need to launch an installed application from browser (not just IE). From this thread I understood that I ... or any prerequisites. Thanks. See Question&Answers more detail:os...

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

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535 views

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javascript - How to create a table-like CSS layout with DIVs?

UPDATE 2 I found a tentative solution that currently works for me in Chrome on Mac OS X. You can check out ... if I need to clarify anything. See Question&Answers more detail:os...

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

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722 views

1 answer

javascript - How to destroy first initialization of datatable (DataTable inside a modal)

I have a modal that displays a table. And I use datatable plugin so that the data is searchable and sortable. It works ... ().fnDestroy(); } }); See Question&Answers more detail:os...

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

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683 views

1 answer

javascript - changing viewport based on device resolution

How to change the meta viewport based on device resolution? we can use media queries to target different resolution ... minimum-scale=.5" /> See Question&Answers more detail:os...

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

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745 views

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javascript - Why is it possible to try-catch an async-await call?

There is a common anti pattern in JavaScript: function handleDataClb(err, data) { if(!data) throw new ... this working using native 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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648 views

1 answer

javascript - How to change pop-up location of google charts tooltip

I currently have html enabled tooltips that also display "sub graphs". However, it would be nice if it ... , including any javascript trickery. See Question&Answers more detail:os...

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

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