Recent questions tagged Javascript

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javascript - Why my $.ajax showing "preflight is invalid redirect error"?

I tried the following code in Postman and it was working. Is there something wrong with the code? $.ajax ... for preflight is invalid (redirect) See Question&Answers more detail:os...

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

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256 views

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javascript - jQuery prevent change for select

I want to prevent a select box from being changed if a certain condition applies. Doing this doesn't seem to ... are other ways of doing 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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217 views

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javascript - How to make a jsonp request

I need to do some cross site scripting. The block of code below contains the method of jsonp, the method returns ... I figure out the answer. 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 - "Scroll" to the very right of a long text input

I have an image selector that allows to choose an image from a gallery, then fills in the URL into a < ... ? Without resorting to a textarea. See Question&Answers more detail:os...

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

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461 views

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javascript - How to access PHP session variables from jQuery function in a .js file?

How to access PHP session variables from jQuery function in a .js file? In this code, I want to get "value" from a ... ({ value: 37 }); }); See Question&Answers more detail:os...

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

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315 views

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javascript - Override jQuery functions

Is there way to override jQuery's core functions ? Say I wanted to add an alert(this.length) in size: function() Instead ... $("div").size()); } See Question&Answers more detail:os...

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

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453 views

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javascript - window.onbeforeunload in Chrome: what is the most recent fix?

Obviously, window.onbeforeunload has encountered its fair share of problems with Chrome as I've seen from all ... window has closed in Chrome See Question&Answers more detail:os...

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

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699 views

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javascript - getElementById() wildcard

I got a div, and there i got some childnodes in undefined levels. Now I have to change the ID of every element ... Or are there any other 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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338 views

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javascript - How can I open an external link in Safari not the app's UIWebView?

I have a Phonegap (cordova) application where I want to load some external webpages within the phonegap WebView and I ... idea how 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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232 views

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javascript - Where is jQuery.data() stored?

Where does jQuery store the values of the data() that it sets to DOM objects? Is there some kind of variable ... to gain access to this object? See Question&Answers more detail:os...

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

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465 views

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javascript - Override function (e.g. "alert") and call the original function?

I would like to override a Javascript built-in function with a new version that calls the original (similarly to ... I do this bit? } See Question&Answers more detail:os...

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

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272 views

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javascript - Call function with array of arguments

Can I call a function with array of arguments in a convenient way in JavaScript? Example: var fn = function() { ... ,3], just like my array. See Question&Answers more detail:os...

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

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266 views

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javascript - How can I view an object with an alert()

I tried to do a debug but I am having problems. Now I try with alert(). For example I want to see the ... make alert show what's really there? 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 - How to download a base64-encoded image?

I have a base64-encoded image from the server for which I want to force the download through JavaScript. Is is possible? See Question&Answers more detail:os...

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

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357 views

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javascript - Using jQuery, how do you find only visible elements and leave hidden elements alone?

So I start with items 1-4: <div class="someDiv bold italic" style="display: none;">Lorem</div> <div class ... going to be applying, adding 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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271 views

1 answer

javascript - How do I set default value of select box in angularjs

I have a form that is used to edit a object and I can't select a value in the select box. I ... appreciated JSFiddle Added Added a JsFiddle 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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251 views

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javascript - mongoose .find() method returns object with unwanted properties

so, I've been working with mongoose for some time and I found some really weird stuff going on. It would be ... for your time and help! Bye! See Question&Answers more detail:os...

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

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355 views

1 answer

javascript - Can an iPhone xcode application read cookies previously stored by Safari Mobile?

Can an iPhone application read cookies previously stored by Safari Mobile? See Question&Answers more detail:os...

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

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374 views

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javascript - Using CSS3 Animations in IE9+

I have been trying to get these css3 animations to work in IE9 for a few hours today and I am stumped! I ... this I would be very grateful! See Question&Answers more detail:os...

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

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352 views

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javascript - "pointer-events: none" does not work in IE9 and IE10

The CSS - property pointer-events: none; works fine in Firefox, but it does not in Internet Explorer 9-10. Is ... property in IE? Any 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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534 views

1 answer

javascript - Detect if an alert or confirm is displayed on a page

Is there a way using JavaScript or jQuery to detect if a confirm or alert box is being 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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360 views

1 answer

javascript - Reading from udp port in browser

Aside from Java Applet, is there anyway we can read from an UDP socket? I know websockets are TCP sockets, but ... with a server via udp socket? 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

1 answer

javascript - Scale element proportional to Background Cover with jQuery

I have a tricky question: I have a fullsize background over the site I'm working on. Now I want to attach a ... you guys could help me out See Question&Answers more detail:os...

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

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229 views

1 answer

javascript - How to create checkbox inside dropdown?

I want to create a multiple selection dropbox list. Actually I have to select more than one option using a dropdown ... any way 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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228 views

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javascript - Effect of declared and undeclared variables

What is the major difference between JavaScript declared and undeclared variables, since the delete operator doesn't work ... 't it be deleted? See Question&Answers more detail:os...

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

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236 views

1 answer

javascript - Convert js Array() to JSon object for use with JQuery .ajax

in my app i need to send an javascript Array object to php script via ajax post. Something like this: var ... work. Ideas? 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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374 views

1 answer

javascript - Static image src in Vue.js template

My Vue component contains some images. I want to do lazy-loading later, so I need to set the src of the ... ', assetsSubDirectory: 'static' } } 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

1 answer

javascript - What is the cause for "angular is not defined"

I'm following the video tutorials on egghead.io but while trying to follow his example when he created a ... in angular in recent versions? See Question&Answers more detail:os...

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

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