Recent questions tagged JavaScript

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javascript Regex question mark (?) not detect

Hi all I tried to create some regex with random value. var data = "demo purpose?"; **OR** var data = "demo ... i do in these case. - 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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451 views

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javascript - Cross domain XHR failing

I have an API hosted on one domain that has CORS enabled with the following headers: Access-Control-Allow- ... Any hints, pointers, solutions? See Question&Answers more detail:os...

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

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480 views

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javascript - .InnerHTML Not working properly in Internet Explorer

I wanted to assign a link tag to innerHTML of a HTML control. But this is not working properly in ... -explorer-autoLoad-css-not-applied See Question&Answers more detail:os...

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

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421 views

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javascript - How do i get the content from a formData?

I have created a file into the formData like this: var fd = new FormData(); fd.append('file', file); how ... 'file') to retrieve the file back? See Question&Answers more detail:os...

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

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491 views

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javascript - jQuery $.ajax() executed twice?

Here is a button: <input type="button" value="add to cart" id="addToCart" /> and a bound event: $ ... there something wrong with my javascript? See Question&Answers more detail:os...

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

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337 views

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javascript - Bootstrap Typeahead not showing suggestion which have the valueKey starting with same value

I'm using typeahead v0.11.1 to show the result but it is not showing the result which have result starting with the same ... + '</div>') } }); See Question&Answers more detail:os...

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

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363 views

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javascript - Client Side Persistence (Storage)

In my demos, I'd like to avoid using traditional DBs and store all the data on the client side, e.g. ... besides strings, e.g. an image? 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 - `Math.trunc` vs `|0` vs `<<0` vs `>>0` vs `&-1` vs `^0`

I have just found that in ES6 there's a new math method: Math.trunc. I have read its description in MDN article, and ... | 0 void(0)| NaN | 0 See Question&Answers more detail:os...

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

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359 views

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javascript - Why Do Ad Blockers Block Blobs?

Ad blockers block all new tabs opened if the content is a blob. I assume there's some reason behind this, but ... why blockers do this. 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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606 views

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javascript - MongoDB Object key with ES6 template string

I'm trying to update an array in my collection with this: var str = "list.0.arr"; db.collection('connect' ... to work as the Object key? See Question&Answers more detail:os...

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

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322 views

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javascript - ngApp without using any specific module name

Consider the piece of code below: part of html file: <body ng-app> <div ng-controller="MainCtrl">{{name}}</div ... I don't define any 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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399 views

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javascript - Reading Cookie from a different domain?

Can javascript read a cookie from a different domain? If i set a cookie in one domain say www.domain1.com. Can i ... .domain2.com? If yes, how? See Question&Answers more detail:os...

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

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410 views

1 answer

javascript - Pass variables between different .js files; one is inside an iframe

I have 2 .js files in the html document like this: <script type="text/javascript" src="js/1.js"></script> ... *The variable is declared in 1.js. See Question&Answers more detail:os...

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

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417 views

1 answer

javascript - How do I determine the zoom level of a LatLngBounds before using map.fitBounds?

I am trying to figure out a way of determining the zoom level of a Map before I call map.fitBounds(), and ... a zoom level will be beforehand? See Question&Answers more detail:os...

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

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468 views

1 answer

javascript - Bootstrap datepicker and bootstrap validator

I am using the bootstrap datepicker from here and the bootstrap validator from here. Also I am using bootstrap v3.1.1. After ... } } } }); }); See Question&Answers more detail:os...

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

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447 views

1 answer

javascript - Angularjs How uri components are encoded

I was expecting AngularJS to encode query string parameters using the standard javascript function encodeURIComponent. ... with AngularJS? See Question&Answers more detail:os...

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

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444 views

1 answer

javascript - Bootstrap affix dynamically on resize

I have a 100% height div with a nav underneath it and more content under that. When the user scrolls passed the ... a better way to do this? See Question&Answers more detail:os...

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

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394 views

1 answer

javascript - draw outer and inner border around any canvas shape

How to draw outer and inner border around any canvas shape? I'm drawing several stroke-only shapes on an html ... a closed stroke-only shape)? See Question&Answers more detail:os...

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

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398 views

1 answer

javascript - Dynamic orderBy in AngularJS

I have an array of objects I want to order dynamically, based on a value from a drop down menu. This ... calculated value in a descending way 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

1 answer

javascript - Get specific content off responseText

I am making an ajax call and I get the content from responseText. I confirm by using ... ).innerHTML = the_extracted_elements_from_responseText See Question&Answers more detail:os...

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

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519 views

1 answer

javascript - Chrome's firebug's technic to track ajax requests

I'm trying to make my google chrome extension to track ajax requests while browsing web. Only way i found is to ... tell me how they do it? See Question&Answers more detail:os...

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

0 votes

463 views

1 answer

javascript - Load third party iframe in React after page load, so that the iframe does not affect PageSpeed score

I have an iframe that loads a third party widget. I only want to display this iframe after my page has ... party widget is the amazon ads. See Question&Answers more detail:os...

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

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332 views

1 answer

javascript - Why would one write global code inside a function definition-call pair?

I see examples where JavaScript code including jQuery and jslint use the notation below: (function(){ // do ... What am I missing 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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461 views

1 answer

javascript - jQuery.scrollLeft() when direction is rtl - different values in different browsers

The scrollLeft property of a div seems to return different values in different browsers when the body direction is ... returns the same results. See Question&Answers more detail:os...

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

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396 views

1 answer

javascript - Get first <li> WITHOUT jquery

This may have been asked, but scrolling through about 40+ search results reveals only the jQuery solution. Let's say ... .style.color = "blue"; See Question&Answers more detail:os...

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

0 votes

922 views

1 answer

javascript - How to validate input fields with a dot in name using the jquery validation plugin?

I'm using this jquery validation plugin <s:textfield cssClass="form-control input-default" name="contest.title" id="title ... Title" /> </div> See Question&Answers more detail:os...

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

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488 views

1 answer

javascript - Detect that given element has been removed from the DOM without sacrificing performance

I've got these: const element = this.getElementById("victim") function releaseKraken(targetElement) {} I want the ... given element is removed. See Question&Answers more detail:os...

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

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933 views

1 answer

javascript - backSpace not firing the keyup event in android mobile

This is the first time,I am working on mobile Apps.keyUp event not firing If I press backspace button. I made ... help me with an example code. See Question&Answers more detail:os...

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

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