Recent questions tagged Javascript

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133 views

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javascript - Do something if nothing found with .find() mongoose

I'm storing some data in a mongodb and accessing it with js/nodejs and mongoose. I can use .find() to find something ... want to do if it is. :/ 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 - Async-loaded scripts with DOMContentLoaded or load event handlers not being called?

I've got a script with a DOMContentLoaded event handler- document.addEventListener('DOMContentLoaded', function() { ... ERROR OF MY WAYS! 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 - how to get fully computed HTML (instead of source HTML)?

Given a webpage that uses lots of javascript to generate its HTML, how can I get the final computed HTML ... solution for grabbing this 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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339 views

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javascript - jquery, performance-wise what is faster getElementById or jquery selector?

What is better from performance wise document.getElementById('elementId') or $('#elementId') ? How can I calculate the speed by myself? See Question&Answers more detail:os...

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

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201 views

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javascript - how to render child components in react.js recursively

I wanted to recursively add a react component from within its own component. I saw this example of a tree component which ... !</div>" } ] } See Question&Answers more detail:os...

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

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163 views

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javascript - jquery - disable click

I just want to disable the ability for a user to click on an element for some condition. Here is some of the ... current is greater than 1. } } See Question&Answers more detail:os...

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

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159 views

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javascript - What is Array.apply actually doing

After reading this SO Question, I'm still a little confused as to what Array.apply is actually doing. Consider ... it through? Thanks! -Neil See Question&Answers more detail:os...

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

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151 views

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javascript - Unload CSS from webpage

Am wondering how it would be possible to unload a CSS from a page. e.g. In my page I have included a file ... Any idea how to go about 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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344 views

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javascript - How to enumerate dates between two dates in Moment

I have two moment dates: var fromDate = moment(new Date('1/1/2014')); var toDate = moment(new Date('6/1/2014' ... issue - but I'm not seeing 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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214 views

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javascript - how to format time on xAxis use d3.js

According the demo on http://bl.ocks.org/mbostock/3883245 I don't know how format time on xAxis this is my code : ... my English,it's so bad.) See Question&Answers more detail:os...

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

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380 views

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javascript - handlebars - is it possible to access parent context in a partial?

I've got a handlebar template that loads a partial for a sub-element. I would need to access a ... question on handlebars' github project See Question&Answers more detail:os...

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

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143 views

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javascript - How can I scroll a div to be visible in ReactJS?

I have a popup list which is a div that contains a vertical list of child divs. I have added up/down keyboard ... scroll a child div into view? See Question&Answers more detail:os...

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

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277 views

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javascript - React.js: setState overwriting, not merging

I'm quite new to React.JS and I am in the process of experimenting by building a masonry-style layout. I ... Thanks in advance for 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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247 views

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javascript - What's the best way (most efficient) to turn all the keys of an object to lower case?

I've come up with function keysToLowerCase (obj) { var keys = Object.keys(obj); var n = keys.length; ... garbage collector be happy with 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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295 views

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javascript - Google chart redraw/scale on window resize

How do I redraw/rescale a google linechart on window resize? See Question&Answers more detail:os...

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

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483 views

1 answer

javascript - Using scrollIntoView with a fixed position header

I have a site with a header set to position: fixed. On one of my pages, I use scrollIntoView(true) on ... styled with navbar navbar-fixed-top. See Question&Answers more detail:os...

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

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173 views

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javascript - how to properly close node-express server?

I need to close server after getting callback from /auth/github/callback url. With usual HTTP API closing server is ... var app = express();. 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 - Google Maps API v3: How to remove an Event Listener?

How do I remove the 'bounds_changed' Event listener in Google Maps API v3? google.maps.event.removeListener(_???_); See Question&Answers more detail:os...

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

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164 views

1 answer

javascript - AngularJS format JSON string output

I have an AngularJS application, which collects data from input, transforms a model into a string using JSON. ... changed, only the output. See Question&Answers more detail:os...

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

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255 views

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javascript - Karma: Running a single test file from command line

So, I've been looking all over for this, found "similar" answers here, but not exactly what I want. Right now ... helper? (using grunt or gulp?) See Question&Answers more detail:os...

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

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316 views

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javascript - Convert date to UTC using moment.js

Probably and easy answer to this but I can't seem to find a way to get moment.js to return a UTC date time ... Any idea 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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292 views

1 answer

javascript - .includes() not working in Internet Explorer

This code does not work in internet explorer. Any alternative? "abcde".includes("cd") See Question&Answers more detail:os...

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

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142 views

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javascript - Make a number a percentage

What's the best way to strip the "0."XXX% off a number and make it a percentage? What happens if the number happens ... toFixed(2) + "%"); }); See Question&Answers more detail:os...

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

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244 views

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javascript - Casting a number to a string in TypeScript

Which is the the best way (if there is one) to cast from number to string in Typescript? var page_number: ... So which method is better? 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 - prototype and constructor object properties

I've: function Obj1(param) { this.test1 = param || 1; } function Obj2(param, par) { this.test2 ... chain and the constructor property 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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158 views

1 answer

javascript - it possible use a nodejs package inside meteor app?

it posible use a nodejs package inside meteor app on server side? It would be great to do that since nodejs has a large number of packages. See Question&Answers more detail:os...

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

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164 views

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javascript - How does Optimizely & Visual Website Optimizer handle visual DOM editing?

Optimizely & Visual Website Optimizer are two cool sites that allow users to perform simple A/B Testing. One of ... do the visual editors 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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438 views

1 answer

javascript - Store an array with chrome.storage.local

I'm writing a chrome extension, and I can't store an array. I read that I should use JSON stringify ... : keyPairId,HasBeenUploadedYet: false} ? See Question&Answers more detail:os...

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

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