Recent questions tagged Javascript

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javascript - Generate a random string based on a regular expression

Is there any way of generating random text which satisfies provided regular expression. I am looking for a function ... str = RandString(reg) See Question&Answers more detail:os...

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

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380 views

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javascript - Jquery getJSON cross domain problems

I cant seem to get my JSON file to work when pulling it in from another domain using JQuerys getJSON. I have placed ... ": "lastlineup" } ] ] } 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 - How to check if a string is a legal "dd/mm/yyyy" date?

Given a string str, how could I check if it is in the dd/mm/yyyy format and contains a legal date ? Some ... // false 14/09/9999 // 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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javascript - How can I replace one class with another on all elements, using just the DOM?

I just want to change a classname to another one. I've tried using document.getElementsByClassName("current"). ... 'm new at 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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415 views

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javascript - The current element as its Event function param

I've got an element <input type="text"> On this, there is an Event onChange="myfunction(param)". ... (document.getElementById('this_id'))" See Question&Answers more detail:os...

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

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401 views

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javascript - How to loop through JSON array?

I have some JSON-code which has multiple objects in it: [ { "MNGR_NAME": "Mark", "MGR_ID": "M44", "EMP_ID": ... . (It appears twice in my case.) 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 - get back a string representation from computeDigest(algorithm, value) byte[]

The Google App Script function computeDigest returns a byte array of the signature. How can I get the string ... puts "" in the Logs See Question&Answers more detail:os...

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

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452 views

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javascript - How can I loop an animation continuously in jQuery?

I need to know how to infinitely loop this animation. It is a text scroll animation and I need it to repeat ... :trajan pro; color:white; } See Question&Answers more detail:os...

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

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552 views

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javascript - JSONP request in chrome extension, callback function doesn't exist?

I am making a JSONP request in a chrome extension (content script) . Everything works very well when I am running as a ... .log(msg.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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420 views

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javascript - How to avoid conflict between JQuery and Prototype

If a page has both JQuery and Prototype then I got conflict. There is a option to disable $ sign for JQuery ... it may be helpful for sometimes. 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 - creating objects from JS closure: should i use the "new" keyword?

i answered one question about closures here in SO with this sample: function Constructor() { var ... creating objects from closures? 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 register multiple external listeners to the same selection in d3?

I'm writing a project in d3 in which I have an html page incorporating two external javascript files, say ... good practice. 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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529 views

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javascript - Is it necessary to set onload function before setting src for an image object?

I was told it is necessary to set the onload function before setting src for an image object. I've searched in ... , I will be very appreciate. See Question&Answers more detail:os...

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

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454 views

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javascript - jQuery equivalent of YUI StyleSheet Utility?

Does jQuery - or one of it's plugins - have equivalent functionality to the YUI StyleSheet Utility? "The ... it's been implemented too. See Question&Answers more detail:os...

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

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367 views

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javascript - onClick event in a For loop

I've tried to create a loop with a for, and increment by an onclick event, but it doesn't work. A part of js : ... 't know if it's the good way. See Question&Answers more detail:os...

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

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412 views

1 answer

javascript - Get drop down value

How to determine what is selected in the drop down? In 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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406 views

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javascript - What is the best way to upload a folder to a website?

I need an easy way to allow users to upload multiple files at once (ie I need to allow a user to upload ... to upload multiple files over http?. See Question&Answers more detail:os...

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

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342 views

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javascript - Two onClick actions one button

Does someone know a wizards trick to make it work ? <input type="button" value="Dont show this again! " onClick=" ... using it in a .js 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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457 views

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javascript - Posting parameters to a url using the POST method without using a form

I want to post parameters to a URL using the POST method but I cannot use a form. Even if I do use a form, ... this possible? How can I 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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552 views

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javascript - Is there a way to detect which side the Alt key was pressed on (right or left)?

Is there a way that we can detect which side the Alt key was pressed on, i.e. distinguish between left or ... alert(window.event.altLeft); } } See Question&Answers more detail:os...

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

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595 views

1 answer

javascript - Passing props into external stylesheet in React Native?

I'm new to React and React Native. At the moment for each component I'm breaking the code into 2 separate files: ... ={styles.icon} /> ); } See Question&Answers more detail:os...

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

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313 views

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javascript - What's the difference between ( | ) and ( || )?

What's the difference between | and || in Javascript? Furthermore, what's the difference between & and &&? See Question&Answers more detail:os...

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

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389 views

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javascript - responseXML always null

Im using firefox 3.6.10, and firebug to debug So, here is my code: var xmlhttp = new XMLHttpRequest(); ... error on both. Gotta hate 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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371 views

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javascript - Does an external .js file require <script> tags?

Does an external .js file require internal and containing tags to 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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1.3k views

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javascript - iframe inside angular2 component, Property 'contentWindow' does not exist on type 'HTMLElement'

I have an iframe inside a angular2 component, and I am trying to change the content of the iframe by accessing ... () but the error persists. See Question&Answers more detail:os...

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

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401 views

1 answer

javascript - Parsing returned HTML from jQuery AJAX request

What I'm trying to do seems simple: get an HTML page through $.ajax() and pull out a value from it. $( ... of HTML. Is this a known problem? 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

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javascript - body data not sent in axios request

I am trying to send data through axios request to my backend script, but the body looks empty. Here's a request ... and other data but not 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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641 views

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javascript - Regular expression for no more than two repeated letters/digits

I have a requirement to handle a regular expression for no more than two of the same letters/digits in an XSL file. no ... ^a-zA-Z0-9]{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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