Recent questions tagged Javascript

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javascript - typeerror: app.use() requires middleware function

I am learning node.js with express template engine, I am following udemy course "learn node.js by building 10 ... .exports = app; Thank You 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 - How to get request url in a jQuery $.get/ajax request

I have the following code: $.get('http://www.example.org', {a:1,b:2,c:3}, function(xml) {}, 'xml'); Is ... : http://www.example.org?a=1&b=2&c=3 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 - HTML5 mobile app running while phone screen is off?

I'm interested in creating an HTML5 geolocation-based web app that could still be operating when the phone ... Android devices in particular?) See Question&Answers more detail:os...

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

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153 views

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javascript - How to use a RegExp literal as object key?

I would like to use create a object that contains regular expressions as the key value. I tried to use the following ... ]); } return 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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javascript - MatDialog Service Unit Test Angular 6 Error

I'm having modal service to open, confirm and close dialog and i am making its unit test file but i ... successful? Help is much appreciated. 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 - Can you export multiple classes from a single Nodejs Module?

Currently, I have 4 Child Classes each in their own file. I'm requiring them all in the same file. I am ... , etc } module.exports = Jack; 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 - Get subdomain and load it to url with greasemonkey

I am having the URL http://somesubdomain.domain.com (subdomains may vary, domain is always the same). ... path/here/somesubdomain, whatever). 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 - Node.js error Error: Cannot find module 'mongoose'

C:UsersNickDesktopurntablefmBotsSuper Bot>node bot.js node.js:201 throw e; // process.nextTick error, or 'error' ... didn't work any ideas? 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 - Node.js and Mutexes

I'm wondering if mutexes/locks are required for data access within Node.js. For example, lets say I've ... changed by the event callback. 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 - Expected an assignment or function call and instead saw an expression

I'm totally cool with this JSLint error. How can I tolerate it? Is there a flag or checkbox for it? You get it ... =[];a&&b.push(a);return b}; See Question&Answers more detail:os...

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

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294 views

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javascript - When do browsers download sourcemaps?

When do browsers download the sourcemap for a minified file? I am struggling to find documentation for any browser ... debug in the source tab. 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 - Angular2: Creating child components programmatically

Question How to create child components inside a parent component and display them in the view afterwards using ... directive at element 0 See Question&Answers more detail:os...

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

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168 views

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javascript - Binding value to input in Angular JS

I have input like this <input type="text" name="widget.title" ng-model="widget.title" value="{{widget.title}}"/ ... : $scope.widget.title = 'a'; See Question&Answers more detail:os...

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

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436 views

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javascript - How can I send an Ajax Request on button click from a form with 2 buttons?

I want to send a request from one page to another from a form which has 2 buttons: <form method="post"> ... maybe merge it into one function? See Question&Answers more detail:os...

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

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280 views

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javascript - How do I collapse a table row in Bootstrap?

I am using Bootstrap 2.3.2 in my app and I need to completely hide a row using the collapse plugin. ... completely remove this row from view? See Question&Answers more detail:os...

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

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263 views

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javascript - How to set cookie value with AJAX request?

I want to set a cookie value on an AJAX request but the code below doesn't work. $.ajax({ type: "GET", ... How can I set cookies in the header? See Question&Answers more detail:os...

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

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172 views

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javascript - Underscore js find item by ID

I'm new to Underscore js and bit confused on how to use it. I have a collection of 'goals' and I want to find ... }); Any idea how to do it? See Question&Answers more detail:os...

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

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337 views

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javascript - When to use $watch or ng-change in Angularjs

When should I use angular $watch functions and when use ng-change angularjs directive? To me, they both can ... or usage patterns between them? See Question&Answers more detail:os...

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

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568 views

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javascript - How to cancel a debounced function after it is called and before it executes?

I create a debounced version of a function with underscore: var debouncedThing = _.debounce(thing, 1000); Once ... before it actually executes? See Question&Answers more detail:os...

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

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361 views

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javascript - Prevent JSHint warning that 'functionName is defined but never used'

I have just started using JSHint (through the Sublime-Linter package for Sublime Text 2). I would like to ... not available in strict mode. See Question&Answers more detail:os...

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

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209 views

1 answer

javascript - react-router: How to disable a <Link>, if its active?

How can I disable a <Link> in react-router, if its URL already active? E.g. if my URL wouldn't change ... solution which works in IE9 and IE10. See Question&Answers more detail:os...

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

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164 views

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javascript - Mongoose use of .select() method

I'm pretty confused with the use of the select method. This is how I use it, and it's wrong: Transaction. ... I use the select method? 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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306 views

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javascript - React component not re-rendering on state change

I have a React Class that's going to an API to get content. I've confirmed the data is coming back, but it's not re- ... </div> </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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javascript get child by id

<div onclick="test(this)"> Test <div id="child">child</div> </div> I want to change the style of the ... but I would rather not. Any ideas? See Question&Answers more detail:os...

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

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280 views

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javascript - Is there any way to wait for AJAX response and halt execution?

Here is some code I'd like to execute. I'd like to wait for AJAX response so I can return something from the ... ) } var response = functABC(); See Question&Answers more detail:os...

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

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513 views

1 answer

javascript - Setting the value of 'dataURL' exceeded the quota

I have a JavaScript code which save string to the Local storage, the string size is 400000, var dataURL = canvas. ... 35.0.1916.114 m Why? See Question&Answers more detail:os...

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

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339 views

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javascript - How can I make a checkbox readonly? not disabled?

I have a form where I have to post form values to my action class. In this form I have a checkbox that ... the action class. So please advice?? See Question&Answers more detail:os...

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

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217 views

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javascript - Error handling in AngularJS http get then construct

How can I handle an HTTP error, e.g. 500, when using the AngularJS "http get then" construct (promises)? ... the inner function is not called. See Question&Answers more detail:os...

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

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