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Why do results vary based on curly brace placement?
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That's one of the pitfalls of JavaScript: automatic semicolon insertion. Lines that do not end with a semicolon, but could be the end of a statement, are automatically terminated, so your first example looks effectively like this:
function test()
{
re...
Why is there no logical xor in JavaScript?
Why is there no logical xor in JavaScript?
19 Answers
19
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How do I change an HTML selected option using JavaScript?
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Tools as pure JavaScript code for handling Selectbox:
Graphical Understanding:
Image - A
Image - B
Image - C
Updated - 25-June-2019 | Fiddler DEMO
JavaScript Code:
/**
* Empty Select Box
* @param eid Element ...
Is there a good JavaScript minifier? [closed]
What JavaScript minifier do you recommend?
9 Answers
9
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JavaScript private methods
To make a JavaScript class with a public method I'd do something like:
30 Answers
30
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How to join two JavaScript Objects, without using JQUERY [duplicate]
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There are couple of different solutions to achieve this:
1 - Native javascript for-in loop:
const result = {};
let key;
for (key in obj1) {
if(obj1.hasOwnProperty(key)){
result[key] = obj1[key];
}
}
for (key in obj2) {
if(obj2.hasOwnProperty(key)){
result[key] = obj2[key];
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Underscore prefix for property and method names in JavaScript
Is the underscore prefix in JavaScript only a convention, like for example in Python private class methods are?
6 Answers
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JavaScript Form Submit - Confirm or Cancel Submission Dialog Box
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A simple inline JavaScript confirm would suffice:
<form onsubmit="return confirm('Do you really want to submit the form?');">
No need for an external function unless you are doing validation, which you can do something like this:
&...
Each for object? [duplicate]
I have object in JavaScript:
3 Answers
3
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How to 'minify' Javascript code
...Here iss the minified code (i added the new lines)
Minified using (http://javascript-minifier.com/)
function myFunction(r){
for(var n=new Array(r),t=new Object,e=new Array,a=0;a<n.length;a++){
e.push(a);
var o=a.toString();
t[o]=(a+1).toString()
}
var i=new Array;
return i[0]=e,i[1]=t...