Recent questions tagged javascript

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javascript - Divide semi circle with stroke-dasharray and on active color fill

I'm working on an SVG gauge meter here I want to divide the semi-circle into parts when the range slider move on ... .js"></script> </body> 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 - Element.appendChild() chokes in IE

I have the following javascript: css = document.createElement('style'); css.setAttribute('type', 'text/css'); ... access" What's going on? 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 - delete operator with var and non var variables

I tried delete a variable in javascript using delete operator, but found some issue. Can you guys please explain the ... b = 5 are different? 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 - I don't understand about spread syntax inside objects

I don't understand about spread syntax inside objects. console.log(...false) // TypeError not iterable console. ... the above codes are 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 - ReactJs browser Cannot read property 'keys' of undefined

HTML code: <div id="content"></div> <script src="build/react.min.js"></script> <script src="build/ ... read property 'keys' of undefined Why? See Question&Answers more detail:os...

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

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549 views

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javascript - How might I calculate the sum of radio button values using jQuery?

I am trying to create a form with many groups containing many radio buttons. When the user selects a button, I would ... htm 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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javascript - Angular 2 calling jQuery after rendering elements - after consuming API

My Angular2 app consumes a RESTful API and then creates a bunch of <select> elements based on the result. I'm ... _data">...blah blah</select> 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 - Renaming a field in an object

If I have the following object: JsonObj = { "frames": { "cinema": { "sourceSize": { "w": 256, " ... " property in parsedJSON to something else? 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 URL of the google chrome new tab page and how to exclude it from manifest.json

I am currently building a simple google chrome extension to prank my brother. The Extension simply deletes the old ... it in a manifest file? 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 - angularjs: change filter options dynamically

What I want is something like this example in the documentation but with a unique input that can play the three roles of ... .filter = pr; } }; See Question&Answers more detail:os...

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

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257 views

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javascript - Modify element :before CSS rules programmatically in React

I have an element whose :before style has to be modified based on calculations. export class Content extends React. ... that as well. Js-Fiddle See Question&Answers more detail:os...

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

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120 views

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javascript - Building regexp from JS variables not working

I am trying to build a regexp from static text plus a variable in javascript. Obviously I am missing something ... This is not displayed."); See Question&Answers more detail:os...

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

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317 views

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javascript - How can I disable print-screen functionality for a webpage in all browsers?

Using the following we can disable print-screens or screenshots in Internet Explorer: <body onload=setInterval(" ... print-screens/screenshots? See Question&Answers more detail:os...

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

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215 views

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javascript - How can I view original javscript library source code in VS Code and not the typescript version?

I just started to learn Express JS and I am someone who learns the library by clicking "Go to definition" ... to the method definition? 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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177 views

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javascript - Access object property in array of objects

I have this set var data = [ {"outlet_name":"Easy Lane Supermart","20130102_20130108":"0"}, {" ... without using the item.outlet_name? See Question&Answers more detail:os...

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

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157 views

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javascript - remove object from nested array

I have a familytree looking like this: { "children": [{ "name": "bob", "children": [{ "name": ... deals with similar issues are appreciated. See Question&Answers more detail:os...

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

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580 views

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javascript - Uncaught ReferenceError: myFunction is not defined

Gives an error. I have placed the code just before </body>. Still getting the error. <form action="" method="get" id=" ... u); }); }); </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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170 views

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javascript - HTML5 File api, reading in an xml/text file and displaying it on the page?

I have tried using the below code modified from http://www.html5rocks.com/tutorials/file/dndfiles/ to read in a ... be displayed on the page? See Question&Answers more detail:os...

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

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337 views

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javascript - JQGrid: Resize Grid Width After Column Resized

I would like to resize the width of the grid after a column is resized (so the width of the grid will match ... you so much for any advice! See Question&Answers more detail:os...

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

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480 views

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javascript - Moment.js how to use fromNow() to return everything in hours?

I've searching the moment.js docs and stackoverflow for a way to use the fromNow() function but returning everything ... .fromNow() to 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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156 views

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javascript - Is it an anti-pattern to define a function component inside the render() function?

I want to know if it's an anti-pattern or if it affects the component somehow to do something like this: render() { ... ={else} /> </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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587 views

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javascript - How can I block further input in textarea using maxlength

I have a textarea that I want to block input on if the entered characters reaches a max-length. I currently have a ... }); }; })(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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371 views

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javascript - d3.js histogram with positive and negative values

I can't figure out how to properly create a histogram where there are both positive and negative values in the data ... but I am 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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320 views

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javascript - Preventing cheating for on-line arcade high score board

I'm going to be developing an online arcade for HTML5/Javascript games written in a to-be-released IDE. ... block for most hacking attempts. See Question&Answers more detail:os...

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

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141 views

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javascript - Accessing a JSON property (String) using a variable

I'm trying to access a JSON using a variable I'm passing through a function: function highlightCategory ( ... unsuccessfully. Thanks in advance! See Question&Answers more detail:os...

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

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156 views

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javascript - How to parse JSON easily?

I have some JSON encoded strings and I need to easily parse them. Any ideas how to do this? I am a noob ... json is really hard. Please 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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599 views

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javascript - Auto Load and Refresh Div every 10 Seconds with jQuery

I'm working with a nice little Jquery that auto loads and refreshes a div every bla bla Seconds. Works perfectly on ... .. ?> Any ideas guys? See Question&Answers more detail:os...

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

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549 views

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javascript - Hide labels on x-axis ChartJS

I want to hide labels on x-axis as i have a solution to set $scope.labels = ['', '', '', '', '', '' ... x-axis labels. Please help me here.... See Question&Answers more detail:os...

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

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