Recent questions tagged Javascript

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javascript - Whats the difference between using a class and interface?

What is the difference between doing this export class Comment { likes: string; comment: string; constructor(likes: ... this.http.get() } See Question&Answers more detail:os...

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

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326 views

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javascript - CORS - Cross-Domain AJAX Without JSONP By Allowing Origin On Server

I have two separate apps on the same server, with the EmberJS one trying to do cross-domain calls to my backend API. ... ; alert(message); } }); 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 - How to bind click event to object tag?

I have this code <object data="images/logo.svg" type="image/svg+xml" class="icon-logo"></object> and jquery $(" ... }); but I can't click 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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414 views

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javascript - Making things unselectable in IE

Here is my chart I've been writing in JS: http://jsfiddle.net/49FVb/ The css: -moz-user-select:none; - ... can I make this unselectable in IE? 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 - How to create new instance of an extended class of custom elements

I'm trying the example from google developer site and I'm getting Error: "TypeError: Illegal constructor. What's ... '; button.disabled = true; See Question&Answers more detail:os...

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

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364 views

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javascript - Error: "Access to restricted URI denied"

Access to restricted URI denied" code: "1012 [Break On This Error] xhttp.send(null); function getXML( ... given means can someone elaborate? 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 - SCRIPT1014: Invalid character

I have this script: function slideSwitch() { var ae = jQuery('#featured-right a.active'); if ( ae.length == ... character 1 What is wrong 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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287 views

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javascript - Google Maps click event on route

I'm trying to draw a circle wherever I click on the route. I looked for a solution on how to make a ... ].overview_path; drawPath(path); }); See Question&Answers more detail:os...

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

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436 views

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javascript - Calling reduce to sum array of objects returns NaN

I have code similar to this: var temp = [ { "y": 32 }, { "y": 60 }, { "y": 60 } ]; var reduced = ... .y; }); console.log(reduced); // Prints NaN 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 - Inconsistent behavior of toLocaleString() in different browser

I am working on a project where I have to deal a lot with Date and Time. Server side technology is ASP ... matter which browser client is using. 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 - How to destructure option argument with all default values in ES6?

I use ES6 features with babel compiler. I have a function which takes option object as an argument: function ... of undefined Is it 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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javascript - How to disable a "Reload site? Changes you made may not be saved" popup for (python) selenium tests in chrome?

I am running automated (python) selenium tests on a chrome browser, and sometimes when a page is reloaded a popup ... popup? Or to accept 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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225 views

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javascript - Use of Template with HTML Custom Elements

I just started learning about the HTML custom elements, and through reading a series of intros, tutorials, and ... clear up my confusion. See Question&Answers more detail:os...

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

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239 views

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javascript - Why does sorting a JS array of numbers with < work?

When sorting an array of numbers in JavaScript, I accidentally used < instead of the usual - -- but it still works. I wonder ... ,2,1,2,1,2,1,2] See Question&Answers more detail:os...

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

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361 views

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javascript - Check if a popup window is closed

I am opening a popup window with var popup = window.open('...', '...'); This javascript is defined in a ... alert("3.NotExecuted."); } } } See Question&Answers more detail:os...

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

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303 views

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javascript - submit event does not fire if submit initiated programmatically

I have a HTML form with button: <form action="/" method="post" id="MyForm"> <input type="hidden" name ... or AddEventListener - does not work. See Question&Answers more detail:os...

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

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448 views

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javascript - How do I select the innermost element?

In jQuery, how would I descend as far as possible into the HTML tree? For simplicity, I only have one ... knowing these names? Thanks much! See Question&Answers more detail:os...

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

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278 views

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javascript - What does Function.prototype.toMethod() do?

I noticed that the Function.prototype has a toMethod() method in experimental JavaScript, but what does that actually do? And how do I use 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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324 views

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javascript - Destructure object properties inside array for all elements

In its most basic form, having an array of objects: let arr = [ {val:"a"}, {val:"b"} ]; How can ... that (and why) it wouldn't be. 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

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javascript - Changing the order of elements

I am creating a website of floating width. The users use screens from full HD resolution to some 600px on ... any suggestion to improve 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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286 views

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javascript - Disable button whenever a text field is empty dynamically

Here's my code: <input type="text" onkeyup="if(this.value.length > 0) document.getElementById(' ... to achieve this using javascript? See Question&Answers more detail:os...

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

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327 views

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javascript - Array.push return pushed value?

Are there any substantial reasons why modifying Array.push() to return the object pushed rather than the length ... drawbacks to this approach? See Question&Answers more detail:os...

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

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350 views

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javascript - How to replace html element with ajax response?

How do I replace the html element from ajax response? What I know to is to remove the element, how do ... removed portion with response of ajax? See Question&Answers more detail:os...

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

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265 views

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javascript - for each element type in body

For example For each div in body div.innerHtml = "poo" next div this is obviously psuedo code but ... this question still benefits others. See Question&Answers more detail:os...

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

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711 views

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javascript - webgl readpixels is always returning 0,0,0,0

I am trying to do picking in WebGl. I have two shapes rendered along with different texture mapped on ... do something related to framebuffer? See Question&Answers more detail:os...

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

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301 views

1 answer

javascript - Is there a way to determine if a <select> dropdown menu is open?

I'm looking for a way to determine if/when a <select> element's menu is open. I don't need to force ... which is good enough for my purposes. See Question&Answers more detail:os...

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

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312 views

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javascript - Refresh Page for interval using js

How can i refresh a page for every one minute using javascript. Note: I don't have control/option to edit ... we usually call onload function). See Question&Answers more detail:os...

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

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303 views

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javascript - HTML5 restricting input characters

Is it possible to restrict the input of certain characters in HTML5/JavaScript? For example, could I have an input ... never be entered 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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