The user-facing part of an application. In a desktop application this would include the windowing framework and the forms the user interacts with; in a command line program it would be the available commands and arguments; and in a web app it would refer to the HTML and JavaScript.
Questions tagged [frontend]
9513 questions
520
votes
11 answers
What is Bootstrap?
There are a lot of questions here related to Bootstrap. I see a lot of people using it. So I tried to research it, and I found the official Bootstrap site, but there was only a download section and a few words after that. Nothing that explains what…
Панайот Толев
- 6,508
- 5
- 16
- 26
278
votes
5 answers
Vue.js—Difference between v-model and v-bind
I'm learning Vue with an online course and the instructor gave me an exercise to make an input text with a default value. I completed it using v-model but, the instructor chose v-bind:value and I don't understand why.
Can someone give me a simple…
Gustavo Dias
- 2,901
- 2
- 9
- 6
246
votes
10 answers
Insert HTML with React Variable Statements (JSX)
I am building something with React where I need to insert HTML with React Variables in JSX. Is there a way to have a variable like so:
var thisIsMyCopy = '
copy copy copy strong copy
'; and to insert it into react like so, and…
Kyle Hotchkiss
- 9,348
- 18
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- 81
246
votes
22 answers
Get form data in ReactJS
I have a simple form in my render function, like so:
render : function() {
return (
myusuf
- 10,151
- 8
- 32
- 46
151
votes
3 answers
What is {this.props.children} and when you should use it?
Being a beginner to React world, I want to understand in depth what happens when I use {this.props.children} and what are the situations to use the same. What is the relevance of it in below code snippet?
render() {
if (this.props.appLoaded) {
…
nim007
- 2,070
- 3
- 14
- 25
135
votes
16 answers
Convert javascript array to string
I'm trying to iterate over a "value" list and convert it into a string. Here is the code:
var blkstr = $.each(value, function(idx2,val2) {
var str = idx2 + ":" + val2;
alert(str);
return str;
}).get().join(", "); …
Neo
- 10,789
- 17
- 50
- 78
131
votes
19 answers
When should I use Inline vs. External Javascript?
I would like to know when I should include external scripts or write them inline with the html code, in terms of performance and ease of maintenance.
What is the general practice for this?
Real-world-scenario - I have several html pages that need…
Dan Burzo
- 9,145
- 18
- 44
- 67
123
votes
8 answers
how to install multiple versions of package using npm
Due to https://github.com/npm/npm/issues/2943, npm will never support the ability to alias packages and install multiple versions of the same package.
The workarounds posted on the github issue might work for pure-JS modules, but as npm becomes a…
mark
- 3,429
- 7
- 30
- 42
112
votes
2 answers
What are the most common font-sizes for H1-H6 tags
I've always been unsure of where to start as a general best practice baseline. Yes, I know it depends on your design, but what's most common?
Here's what I currently have as a starter:
h1 { font-size: 24px;}
h2 { font-size: 22px;}
h3 { font-size:…
rsturim
- 6,388
- 14
- 43
- 58
109
votes
21 answers
nodemon command is not recognized in terminal for node js server
I am doing node.js server setup from https://scotch.io/tutorials/authenticate-a-node-js-api-with-json-web-tokens. I am new in node.js. I am installing npm install nodemon --save. But when I am run the server with this nodemon server.js.
In the…
Varun Sharma
- 3,782
- 7
- 37
- 84
108
votes
4 answers
How to go to a specific file in Chrome Developer Tools?
I am developing a web application with a heavy front-end approach. By using Dojo and the AMD-way, I currently have testing screens which may easily load over a hundred different javascript files.
When I want to debug for any specific problem, or…
Alpha
- 6,876
- 8
- 55
- 87
98
votes
4 answers
setState vs replaceState in React.js
I am new to React.js Library and I was going over some of the tutorials and I came across:
this.setState
this.replaceState
The Description given is not very clear (IMO).
setState is done to 'set' the state of a value, even if its already set
in…
myusuf
- 10,151
- 8
- 32
- 46
98
votes
3 answers
Ember.js or Backbone.js for Restful backend
I already know that ember.js is a more heavy weight approach in contrast to backbone.js. I read a lot of articles about both.
I am asking myself, which framework works easier as frontend for a rails rest backend. For backbone.js I saw different…
Robin Wieruch
- 10,245
- 6
- 68
- 90
93
votes
2 answers
Is there a callback on completion of a CSS3 animation?
Is there any way to implement a callback function in case of css3 animation? In case of Javascript animation its possible but not finding any way to do it in css3.
One way I could see is to execute callback after the animation duration but that…
alter
- 4,090
- 6
- 29
- 35
90
votes
9 answers
How to check if Twitter bootstrap is loaded?
How can I check whether there is a bootstrap.js file loaded on a page (the bootstrap.js file itself may be compiled into another big JS file)?
Igor
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