Recent questions tagged Javascript

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javascript - Hoisting of functions inside conditionals

I understanding how hoisting in javascript occurs, functions are hoisted before variables, and only the declarations are ... is b the output? 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 - Why document.ready is used in jQuery

What is the exact use of $(document).ready() in jQuery and can we have two $(document).ready() in a webpage? See Question&Answers more detail:os...

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

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684 views

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javascript - what speed up "setInterval" when you switch page?

Here is My page,It is a demo to test moving a element,but after you change your page sometime,and back to here,why ... move) }, 20); }, 5000) 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 - Universal add to bookmarks script?

Does anyone know of a script that I can use to automatically add a site to favourites upon clicking of a link ... to bookmark in most browsers? 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 - Move camera in aframe with physics engine

I am using a physics engine in my aframe application, and I want the camera to move when the user ... the camera with applyImpulse smoothly? See Question&Answers more detail:os...

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

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558 views

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javascript - Changing the content of meta refresh does not change refreshing time

I have a meta http-equiv="refresh" inside the <head>. <head> <meta name="mymeta" http-equiv="refresh" content="2" ... > <body> </body> </html> 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 stub/mock submodules of a require of nodejs using sinon

I am using sinon as for unit testing a nodejs(Hapijs) functionality. This function is in index.js. I am ... js and many requires of requires) 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 can I use this in the left side of the object destructuring assignment?

(This question is not specific to Vue, but it is in a Vue project, that is why the strange use of the this ... it does not accept the = 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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javascript - How to hide url in the popup window opened using window.open

I am using below code to open a popup window in my page: window.open("myPopupWindow.html", "_blank", "height= ... I hide url in popup window? See Question&Answers more detail:os...

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

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401 views

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javascript - Make a div scroll when i reach a certain point

I want to make a div (button) scroll when I reach a certain scrolling point.Also i want to add classes ... slide together.Like this: TEXT BUTTON See Question&Answers more detail:os...

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

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314 views

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javascript - Chrome extension, making a link from key words in the body

So that you understand my knowledge base, I am a computer engineering major, and am working a job right now ... tackle this simple extension =) See Question&Answers more detail:os...

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

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741 views

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javascript - detect refresh browser for unload/beforeunload when browser closed

This is actually continuation of my last question. I still face problem since when i refresh browser, either ... snippet? Thanks in advance. See Question&Answers more detail:os...

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

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633 views

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javascript - detect key press on modal dialog not working

I would like to detect whether the user has pressed any key when a modal is shown. I tried the following ... keypress event will be detected. See Question&Answers more detail:os...

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

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460 views

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javascript - Memory Leak When Pulling JSON from WEB

I've spent days on this and hit it from every angle I can think of. I'm working on a simple windows 7 ... What the heck?! Ideas? 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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515 views

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javascript - Animation of google markers on map load with timeout

I would like to create a timeout on each google marker's DROP animation, but I think the closure code for ... the falling rain marker effect. See Question&Answers more detail:os...

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

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887 views

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javascript - $.getJSON not working with local JSON file

I am desperately trying to get a local build of a site to get a JSON file (also local) with no luck. The ... an answer here. Please 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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341 views

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javascript - Kineticjs dragBoundFunc for a rect in a rect

i have following code to drag a smaller rect in a bigger rect. it is almost working, but its possible to move ... : http://jsfiddle.net/dNfjM/ See Question&Answers more detail:os...

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

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711 views

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javascript - Uncaught TypeError: Cannot read property 'get' of undefined in VueJs

I have following code <div id="vue-instance"> </div> JS var vm = new Vue({ el: '#vue-instance ... fiddle JsFiddle Help would be 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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536 views

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javascript - Polymer + Firebase (Polymerfire): Cannot read property 'push' of undefined': 'this.$.query.ref.push(...)'

I'm following a Polymer + Firebase tutorial video using the Polymer App Tool Kit (initiated with the polymer CLI). ... </script> </dom-module> See Question&Answers more detail:os...

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

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710 views

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javascript - Chrome Extension: Remembering a checkbox value when popup is reopened

Newbie here so sorry if this is pretty elementary. I'm making an extension that simply has a checkbox/switch when ... when I last had it open? See Question&Answers more detail:os...

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

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408 views

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javascript - Angular2 - assign pipe from a variable

Is it possible something like this: {{property | some_variable_name}} My goal is to use a pipe that is ... tried something like this before? See Question&Answers more detail:os...

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

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403 views

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javascript - Codecademy FizzBuzz app, stuck on step 1

Here's my code for Codecamedy's FizzBuzz lesson var i; for ( i = 1; i > 20; i++ ) { "hello ... What terribly embarrassing mistakes have I made? See Question&Answers more detail:os...

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

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283 views

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javascript - Can you write this without using a Deferred?

I wrote some code below that uses promises and the easiest way I could find to write it was using a Deferred object ... p.finally.bind(p); } } See Question&Answers more detail:os...

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

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403 views

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javascript - Updating object value from prototype function

I'm trying to do this: String.prototype.clear = function(){ alert(this.value); this = ''; // I want ... any where. Just playing around. 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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356 views

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javascript - Compile Ember template string and running it programmatically, without an Ember application?

I just want to run the template string against an object and examine the result I have a string that is a template. I ... what I want to do. :P See Question&Answers more detail:os...

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

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357 views

1 answer

javascript - how to access the elements of the HTML loaded in object tag?

Eg: Fetching text input value using jQuery $('#username').val(); I had tried this from this question Here is my ... }, 10000) }) JS fiddle here See Question&Answers more detail:os...

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

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389 views

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javascript - Hiding the source CSS code

Hello recently i have seen sites ,that hides their source css when viewed their source! How is this exactly possible.. ... the origin of css..? See Question&Answers more detail:os...

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

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741 views

1 answer

javascript - Browser Auto Select file through File Input Tag via Browser Extension

I want to auto select a file through File input tag < input type=file > via java script ? I know this is ... and it takes it.. 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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