Recent questions tagged Javascript

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javascript - Allowing a child Iframe to call a function on its parent window from a different domain

I have made a page which gets loaded in an IFrame and it needs to call a function on the parent page ... domain when I control both servers? See Question&Answers more detail:os...

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

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558 views

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javascript - Stop chrome back/forward two finger swipe

I want to disable the two finger swipe that causes Chrome going back or forward. I have a website where the ... . How did they achieve 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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410 views

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javascript - How to automatic resize tinyMCE?

I have a TinyMCE that is set over a TextArea, and I want this editor area to ocuppy all the space of its ... 's using TinyMCE too. 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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javascript - returning false not stopping the submission of form

My purpose: If the user field and password field are blank, I want to stop form submitting. This is my ... explanation why it is not 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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402 views

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javascript - Best practices for detecting offline state in a service worker

I have a service worker that is supposed to cache an offline.html page that is displayed if the client has no ... ; What am I doing wrong? See Question&Answers more detail:os...

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

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363 views

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javascript - Node.js - wait for multiple async calls

I'm trying to make multiple MongoDB queries before I render a Jade template, but I can't quite figure out how to ... , NJlakes: NJLakes }); }; See Question&Answers more detail:os...

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

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520 views

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javascript - How can I force input to uppercase in an ASP.NET textbox?

I'm writing an ASP.NET application. I have a textbox on a webform, and I want to force whatever the ... only works with uppercase characters. See Question&Answers more detail:os...

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

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392 views

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javascript - show/hide html table columns using css

I want to display a basic html table with controls to toggle showing/hiding of additional columns: <table id="mytable"> ... /td> </tr> </table> 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 - Does node.js support the 'let' statement?

Does node.js support a let statement something like what's described on MDN?? var x = 8, y = 12; let ( x = ... to node.js with the 4.x release. See Question&Answers more detail:os...

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

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701 views

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javascript - reactjs this.refs vs document.getElementById

If I have just a basic forms, should I still this.refs or just go with document.getElementById? By basic I ... into using one over the other? See Question&Answers more detail:os...

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

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456 views

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javascript - Youtube iframe api not triggering onYouTubeIframeAPIReady

I've been battling with the youtube iframe api for quite some time now. Somehow the method onYouTubeIframeAPIReady is ... the time. 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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291 views

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javascript - Angular 6: ERROR TypeError: "... is not a function" - but it is

I am currently really confused, because I get the ERROR TypeError: "_this.device.addKeysToObj is not a function". But ... sensor> </div> </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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306 views

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javascript - React render() is being called before componentDidMount()

In my componentDidMount() I am making an API call to fetch some data, this call then sets a state ... not calling componentDidMount at all. 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

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javascript - Set variable in parent window from iframe

I have a parent document with an embedded iframe. Inside the iframe I have an upload field. Once the user selects a file ... a 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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308 views

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javascript - Firebase: change the location of the service worker

I am trying to use Firebase messaging (web). Firebase by default searches for the file "firebase-messaging- ... worker for firebase messaging? See Question&Answers more detail:os...

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

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321 views

1 answer

javascript - checked = "checked" vs checked = true

What is the difference between the below two usages? document.getElementById('myRadio').checked = "checked"; and ... IE7 and higher 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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739 views

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javascript - make readonly/disable tinymce textarea

I need to disable or make readonly a tinymce textarea at runtime. See Question&Answers more detail:os...

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

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1.5k views

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javascript - How to fix Uncaught InvalidValueError: setPosition: not a LatLng or LatLngLiteral: in property lat: not a number?

I'm trying to port my googlemaps v2 functions to v3. But somehow i stuck in a strange error and i could ... is not working Fiddle which works See Question&Answers more detail:os...

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

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574 views

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javascript - Jquery validation plugin - TypeError: $(...).validate is not a function

My script throw errors: TypeError: jQuery.validator is undefined additional-methods.js:20 TypeError: $(...).validate is not ... } } }) </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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478 views

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javascript - Is there a [universal] way to invoke a default action after calling event.preventDefault()?

This question is for the purposes of developing jQuery plugins and other self-contained JavaScript snippets that don' ... ve been searching for? See Question&Answers more detail:os...

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

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494 views

1 answer

javascript - Getting request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource

I am trying to send an Ajax request to a Tomcat server from my application, but I am getting this error (my web app ... this alert(data); } }); See Question&Answers more detail:os...

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

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430 views

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javascript - Detect failure to load contents of an iframe

I can detect when the content of an iframe has loaded using the load event. Unfortunately, for my purposes, ... work in Mozilla are welcome. 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

1 answer

javascript - How can I use an AngularJS filter to format a number to have leading zeros?

I checked the documentation. What I would like is for my numbers to have four digits and leading zeros. 22 to ... or another kind of filter? See Question&Answers more detail:os...

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

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2.1k views

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javascript - Uglify SyntaxError: Unexpected token: punc ())

I am trying to use gulp in order to minify a folder containing JS files. However, one of the files ... exact position listed by JS_Parse_Error. See Question&Answers more detail:os...

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

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752 views

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javascript - Submit form after calling e.preventDefault()

I'm doing some simple form validation here and got stuck on a very basic issue. I have 5 field pairs for name ... not sure what I need to do. See Question&Answers more detail:os...

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

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442 views

1 answer

javascript - In web browsers, what's the difference between onblur and onfocusout?

If they're the same, then why there are two of this kind of event? See Question&Answers more detail:os...

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

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625 views

1 answer

javascript - Using lodash to compare jagged arrays (items existence without order)

I know I can do it using loops, but I'm trying to find an elegant way of doing this: I have two ... one-dimensional arrays they were expecting). See Question&Answers more detail:os...

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

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439 views

1 answer

javascript - Cypress: Test if element does not exist

I want to be able to click on a check box and test that an element is no longer in the DOM in Cypress. Can ... class should not be in the DOM. See Question&Answers more detail:os...

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

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