Recent questions tagged Javascript

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javascript - Node.js: Count the number of lines in a file

I have large text files, which range between 30MB and 10GB. How can I count the number of lines in a file ... not required to perform the task 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 - Chrome blocks different origin requests

When script tries to access a frame from a different origin Chrome blocks it and throws exception as " ... google chrome. Any suggestions? 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 - Hour difference between two times(HH:MM:SS a)in momentjs

I have two time without date var startTime="12:16:59 am"; var endTime="06:12:07 pm"; I want to show ... Expected Output: 1 hour and 15 minutes 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 - What is the difference between alert and window.alert?

What is the difference between alert() and window.alert() functions? It seems to work the same. 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 - Angular passing scope to ng-include

I have a controller that I wrote that I use in multiple places in my app with ng-include and ng-repeat, like this: < ... .right; }); }); }); See Question&Answers more detail:os...

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

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136 views

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javascript - Angular 2: Passing Data to Routes?

I am working on this angular2 project in which I am using ROUTER_DIRECTIVES to navigate from one component to ... undefined. Any solutions? 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 - gulp babel, exports is not defined

Consider the following example code (and maybe I am doing it wrong?) var FlareCurrency = { }; export { ... throws the same error. 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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javascript - How to show all rows in the jqGrid?

jqGrid exposes a property rowNum where you can set the number of rows to display for each page. How do you set ... if there is 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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javascript - Async / await vs then which is the best for performance?

I have a simple code in JavaScript that execute a request in an API and return the response, simple. But in ... will be of great value. 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 does AngularJS's $watch function work?

I'm reading a lot about AngularJS nowadays, and I came across that magical $watch function. I understand how to ... about the subject. 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 - jQuery - how to check if an element exists?

I know that you can test for width() or height() but what if the element's display property is set to none ... to make sure the element exists? 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 to calculate an angle from points?

I want to get a simple solution to calculate the angle of a line (like a pointer of a clock). I have ... is able to provide this value? 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 - Promise reject() causes "Uncaught (in promise)" warning

Once a promise reject() callback is called, a warning message "Uncaught (in promise)" appears in the ... /6.0/index.html#sec-performpromisethen 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 - What is the difference between document.location.href and document.location?

What is the difference between document.location.href and document.location? Is it the same across 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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291 views

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javascript - How to get the width of an svg:g element

I am currently working with an svg element in JavaScript. And I am new to this. My question is that I have ... how can I achieve this? 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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422 views

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javascript - Uncaught TypeError: Cannot read property 'toLowerCase' of undefined

I'm getting this error and it is originating from jquery framework. When i try to load a select list on document ready ... results"); } }); } See Question&Answers more detail:os...

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

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207 views

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javascript - "Object doesn't support property or method 'find'" in IE

<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> < ... 't support property or method 'find' See Question&Answers more detail:os...

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

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153 views

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javascript - knockout.js using $index with if binding

I'm trying to show some mark up based on the value of $index, I can display the value but I can't seem to use it ... here</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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166 views

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javascript - AJAX: Check if a string is JSON?

My JavaScript sometimes crashes on this line: var json = eval('(' + this.responseText + ')'); Crashes are caused ... a good reason, I promise.) See Question&Answers more detail:os...

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

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283 views

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javascript - Can I add a key prop to a React fragment?

I am generating a dl in React: <dl> { highlights.map((highlight, i) => { const count = text.split(highlight). ... I am using React 16.12.0. See Question&Answers more detail:os...

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

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155 views

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javascript - Queue AJAX calls

Hello I am doing a Horizontal scrolling website like: http://vanityclaire.com/ However, rather than having one large ... and let that handle 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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471 views

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javascript - Make selected text bold/unbold

I'm wrapping the selected text in span tags, when you click a button. If I then select a different piece of text ... open a new tag after 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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228 views

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javascript - D3 JSON data conversion

I have this JSON data structure: [ { "dep": "d1", "name": "name1", "size": "size1" }, { "dep": " ... the right direction, I'm pretty new to D3! See Question&Answers more detail:os...

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

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146 views

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javascript - Retrieving which tabs are open in Chrome?

Is there a way to retrieve all the tabs open and sort them in to an array in Chrome? So if Gmail and YouTube ... "gmail.com" and "youtube.com". See Question&Answers more detail:os...

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

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570 views

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javascript - Auto-Scroll to next anchor at Mouse-wheel

I have 5 anchors on my html page. Is there any way that the page scrolls automatically to the next anchor (#) ... name? just to the next anchor. See Question&Answers more detail:os...

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

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468 views

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javascript - Adding superscript <sup> tags around all trademark and registered trademark symbols

I am trying to add <sup></sup> tags around every ™, ®, © in my page. I found this ... ? A conditional of some sort maybe? See Question&Answers more detail:os...

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

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160 views

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javascript - AngularJS: can't get html5 mode urls with ui-route $state

I'm using ui-router for state management but I think I'm having trouble with my .htaccess rewrite rules. All my ... index.html [L] </IfModule> See Question&Answers more detail:os...

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

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528 views

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javascript - Get the referrer, paid/natural and keywords for the current visitor with Google Analytics

Is it possible to get the following information about the current visitor using Google Analytics API with JavaScript? Referrer ... in DB etc.)? See Question&Answers more detail:os...

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

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