Recent questions tagged javascript

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javascript - Where is Blob binary data stored?

Given var data = new Array(1000000); for (var i = 0; i < data.length; i++) { data[i] = ... where is binary data representation of array stored? 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 - Angular2, evaluate template from string inside a component

It's possible evaluate template from string in a variable?. I need place the string in the component instead of the ... price | currency }}</b> 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 - Angular 2. How to apply orderBy?

I have a piece of code. <table class="table table-bordered table-condensed" cellpadding="0" cellspacing="0"> <thead> ... /tr> </tbody> </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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javascript - Load image from url and draw to HTML5 Canvas

I am having trouble loading an image from a url in javascript. The code below works, but I don't want to have to ... ; ctx.drawImage(img, 0, 0); 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 - Accessing a DOM object defined in an external SVG file

SVG standard allows to use and refer external SVG files. I have a file circle.svg that defines a circle object with ... fill="freeze" /> </svg> 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 - Two jQuery versions on the same page

Is it possible to have 2 different jQuery versions in the same document, and have them to not collide with ... for answers and pointers, bob 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 upload string as file with jQuery or other js framework

Using javascript, I have a file in string (got with ajax request). How to upload it as file to server by another ajax request ? 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 - What is a flag variable?

Recently I came across flag variables, but I have no idea what they do. I am little unsure about when to use ... to my context (of 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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830 views

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javascript - 'pageshow' is not received when pressing "back" button on Safari on *IPad"

I have the following handler: $(window).bind('pageshow', function() { alert("back to page"); }); When ... when navigating away from the page. See Question&Answers more detail:os...

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

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347 views

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javascript - Detect click outside element?

Similar to this question, but taking it a step further. I would like to detect clicks outside of a set of ... always, thanks for any help! 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 - Canvas text rendering (blurry)

I know this question has been asked many times, but I tried pretty much everything I could find on ... suggestion would be greatly appreciated See Question&Answers more detail:os...

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

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325 views

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javascript - What does the new keyword do under the hood?

I am curious as what else the new keyword does in the background apart from changing what the this scope refers too. For ... bar: ... } }(); 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

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javascript - Remove an element from the DOM from reference to element only

This is either very simple or impossible. I know I can do this: var element = document.getElementById(' ... messy/inefficient/bad practice-y. See Question&Answers more detail:os...

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

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420 views

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javascript - How to create a custom input type?

I would like to create a custom input type similar to the way AngularJS implements "email", for example. <input type="email" ... { ... } }; }); 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 - Cross domain iframe content load detection

I have a rather interesting problem. I have a parent page that will create a modal jquery dialog with ... be immensely appreciated. Thanks See Question&Answers more detail:os...

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

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426 views

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javascript - Angular 2 runOutsideAngular still change the UI

From my understanding of runOutsideAngular(), if I need to run something that won't trigger the Angular change detection, I ... 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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371 views

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javascript - Get cursor or text position in pixels for input element

IE allows me to create a text range in an input element, upon which I can call getBoundingClientRect() and ... but jQuery answers 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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315 views

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javascript - Can I conditionally change the character entered into an input on keypress?

Is it possible to change the character which has been entered on keypress, without doing it manually? For ... provide a better solution? See Question&Answers more detail:os...

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

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562 views

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javascript - change url of already opened popup

Is it possible to change the url of the popup. Assume I open a popup: function pop1(){ window.open(' ... location.href or any other solution. 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 - call the same jQuery function in multiple buttons

I am not really familiar with jQuery. I have this code that I downloaded to create a fade in/fade out popup form. ... a fade in/fade out form. See Question&Answers more detail:os...

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

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398 views

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javascript - jQuery - checkboxes like radiobuttons

I have group checkboxes and I like if this group have behaviour like radiobuttons with same name atribute. Each checkbox has ... state); }); }); See Question&Answers more detail:os...

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

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425 views

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javascript - How should I alternate componentWillMount()?

I'm using React.js, and as you know, componentWillMount() is going to be deprecated. I wanna replace my componentWillMounts. ... = { foo: 1 }; See Question&Answers more detail:os...

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

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484 views

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javascript - iframe resizing with scrollheight in chrome/safari

I'm trying to resize (make bigger or smaller) an iframe based on it's contents. After a click on each ... of handling this in Chrome/Safari? 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 - Why scripts at the end of body tag

I know this question was asked many times, but I haven't found answer. So why its recommended to include ... (without async/defer attribute). See Question&Answers more detail:os...

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

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433 views

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javascript - Detect if function is native to browser

I am trying to iterate over all the globals defined in a website, but in doing so I am also getting the ... browser or created in a 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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263 views

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javascript - The 'this' keyword behaves differently in Nodejs and browser

I have this piece of code : var obj1; var obj2; function x() { obj1 = this; } function y() { obj2 = ... what really going on under the hood ? See Question&Answers more detail:os...

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

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359 views

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javascript - Check that value is object literal?

I have a value and want to know if it's an iteratable object literal, before I iterate it. How do I do 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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381 views

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javascript - Testing asynchronous function with mocha

I want to test a asynchronous javascript function that runs in node.js and makes a simple request to a http ... console.log. Can anybody help? See Question&Answers more detail:os...

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

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