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Why would a JavaScript variable start with a dollar sign?

on September 10, 2023

JavaScript variable naming with dollar sign JavaScript variable starting with a dollar sign

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Build Solution vs Rebuild Solution vs Clean Solution in Visual Studio
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Case insensitive search in Vim
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Convert list to string
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Convert result of Throwable.getStackTrace() to string
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Create .gitignore file in Xcode project
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create an integer or float in Python
Create branch from unstaged/uncommitted changes
create copy of directory in Unix/Linux
Create directory if not exist in Node.js
create empty list in Python
Create Excel file in C# without Microsoft Office
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create Excel spreadsheet with C# without Excel installed
create GUID / UUID
Create Java string from file contents
create model
create new directory in Python
Create remote Git branch
create Trait
Csrf
CSS center text in div
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CSS visibility:hidden vs display:none
CSS3 gradients with background-image
database indexing explanation
database library
Date addition in programming
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deal with SettingWithCopyWarning in Pandas
Decimal vs float vs double in .NET
declare and initialize variables in Python
define a variable in Python
delete all Git stashes at once
Delete commit from branch
delete commit from branch history in Git
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Delete exported environment variable in programming
delete Git repository and init new one
Delete lines containing specific string from text file
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Delete list element by value
Delete list element by value in programming
Delete merged branches in Git
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Determine if an object is iterable in Python
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Difference between String.slice and String.substring
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Disable row highlight in UITableView
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Display code snippets in MS Word with syntax highlighting
display JSON in easy-to-read format
Display relative time from DateTime
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Docker clean build image
Docker vs virtual machine comparison
Docker vs virtual machine difference
Dockerfile CMD vs ENTRYPOINT
Dockerfile COPY vs ADD
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Duplicate line or selection in Visual Studio Code
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dynamically typed vs. statically typed languages
Echo shell commands as they are executed
Echo shell commands during execution
Eloquent insert() Query
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Encode and decode base64 string
Escape braces in format string in .NET
Escape single quotes in string
Escape single quotes within single quoted strings
etc.
Event bubbling and capturing difference
Event bubbling and capturing explanation
Event bubbling vs capturing
Example of Liskov Substitution Principle
Exclamation mark in code explanation
execute program or system command
Execute Stored Procedure
executing Java code in comments with Unicode characters
Exit git log or git diff
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Exit in Node.js
explanation and usage of this keyword in JavaScript
Explanation of attr_accessor in Ruby
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extend JavaScript array with another array
Extract file extension in programming
Extract file or changes from Git stash
Extract file or diff from Git stash
Extract source code from APK
fetch record
File copying
file count in php codeigniter
Find files in current and subfolders with wildcard matching
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Find most recent common ancestor of branches
find process listening on port in Windows
fix Authentication Failed error in Git push
fix Git detached head
fix npm error without sudo
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Force Docker clean build of image
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Format Microsoft JSON date
Format Microsoft JSON date in programming
Format numbers as currency
Format numbers as currency strings
FULL JOIN difference
Function pointers in C
Function to extract extension from filename
Functional reactive programming
generate random numbers in Python
generate self-signed SSL certificate with OpenSSL
Get ASCII value of character
Get ASCII value of character in JavaScript
Get ASP.NET Web API to return JSON
Get browser to navigate to URL in JavaScript
get class name of Python object
Get client IP address in PHP
get command line arguments in Python
Get consistent byte representation of strings in C#
get current date and time in Python
Get current time
Get current time and date in Android
Get current time in programming
get current working directory in Python
Get directory of Bash script from within script
get filename without extension in Python
get first N elements from an array
get length of string in Python
get max and min values in list in Python
Get number of rows in pandas dataframe
Get row count of Pandas DataFrame
Get screen dimensions in Android
get selected radio button value with jQuery
get single file from another Git branch
Get sizes of tables in MySQL database
Get source code from APK file
get started with Node.js
Get substring of string in Python
Get YouTube video thumbnail from YouTube API
Get YouTube video thumbnail with PHP and cURL
GetHashCode best algorithm
git
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Git .gitignore not working
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Git account recovery
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Git recover account without email access
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Git search by commit message
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Git submodule removal
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Git undo uncommitted changes
Github
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Import csv database
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in JavaScript
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Include JavaScript files in programming
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Initialize array with same value in programming
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install Python on Linux
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Install Python package with .whl file
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IntelliJ enable line numbers
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Iterate over words in Python string
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JavaScript variable starting with a dollar sign
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JOIN vs INNER JOIN
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JSONP explanation and purpose
Keyboard shortcut to navigate back to last cursor position in Visual Studio Code
Know if element is in visible part of page
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Lazy load images in ListView Android
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Limit rows in Oracle query after ordering
Line break types explanation
Liskov Substitution Principle (LSP) explanation
Liskov Substitution Principle (LSP) explanation and examples
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List all commits that changed a specific file
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List commits changing specific file
List commits that changed a specific file
List files changed between two commits in Git
List merged branches in Git
List tables in SQLite database file
Load Python module by full path
Loop through all enum values in C#
Make a time delay
make Bootstrap menu dropdown on hover
Make Git forget about tracked file
Manage startActivityForResult on Android
Manually send HTTP POST requests
Manually send HTTP POST requests from browsers
mark method as obsolete or deprecated
maximum length of valid email address
meaning of ??!??! operator in C
meaning of assert and its usage
Meaning of single and double underscore in programming
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memory rule for remembering a number
merge hotfix branch into feature branch in Git
Merge specific commit in Git
merge two commits during rebase
Modify URL without page reload in JavaScript
Modify URL without reloading page
Move recent commit to new branch Git
MS Word code snippets with syntax highlighting
MVP vs MVC and difference
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MySQL data type for boolean
MySQL data type for boolean values
MySQL get table sizes
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Name and retrieve Git stash by name
navigate back to last cursor position VS Code
Need to do --set-upstream all the time in Git
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Node.js exit code
Nodes Logic
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Null check before instanceof
Null check with instanceof
object copying copy constructor copy assignment operator prevent object copying
offset
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OpenID vs OAuth
Operator overloading basics
Operator overloading rules and idioms
Options for storing hierarchical data in relational database
or blank variables in JavaScript
or something else
Oracle limit rows in query
Overlay one div over another div
Pad numeric string with zeroes in Bash
Pandas dataframe get number of rows
Pandas DataFrame row count
Parse command line arguments in Bash
Parse XML and get instances of node attribute
Pass a variable from php to javascript
pass arguments to a function in Python
pass arguments to batch file
Pass variable by reference
Pass variable by reference in programming
Pay AI
peerDependencies
peerDependencies in NPM package.json
perform DESCRIBE TABLE equivalent in PostgreSQL with psql
perform IF...THEN in SQL SELECT statement
perform math operations in Python
Permanently enable line numbers in IntelliJ
PHP 5 self vs this difference and usage
PHP auto update copyright year
PHP bcrypt password hashing
php create txt file
PHP error notices and warnings
PHP get client IP
PHP require vs include
PHP require vs include and require_once vs include_once
PHP self vs this
PHP Undefined variable
pip upgrade all packages
pipenv
Pointer variable vs reference variable
Pointer vs object in C++
Pointer vs reference variable differences
PostgreSQL version check
Prettyprint a JSON file
prevent VS Code preview tab replacement
print Hello
print newline in terminal
print to console in Python
print without newline or space
Promise vs Observable in Angular
Prune local tracking branches not on remote anymore
Purpose of exclamation mark in code: !function () {}();
purpose of self parameter in Python
PyCharm
pyenv
python
Python .so files in executable
Python cannot parse JSON data
Python check if object is iterable
Python dynamic module import
Python get substring of string
Python install .so files to executable
Python load module by full path
Python shebang line difference
pyvenv
query
query builder
query MongoDB with like
React three dots meaning
read and write CSV files in Python
read and write JSON files in Python
read and write text files in Python
Rebase local branch onto remote master
recover deleted Git branch
redirect HTML page to another on load
redirect to 404 page
Redirect to another webpage
Redux vs. Flux
reflection in Java and other languages
Refresh favicon browser
refresh Git index after adding .gitignore
reload .bash_profile from command line
Remedy The breakpoint will not currently be hit warning
Remove a submodule in Git
Remove commit on GitHub
Remove element from list by index
remove element from list in Python
Remove focus border around text/input boxes in Chrome
Remove Git submodule explanation
Remove item from array by value
Remove item from array in JavaScript
Remove key from JavaScript object
Remove local (untracked) files in Git
remove process using port on localhost in Windows
remove trailing newline
remove whitespace from beginning and end of string in Python
Remove whitespace from start and end of string
Remove whitespace from string
Rename both Git local and remote branch
Rename Git tag
Rename local Git branch
Replace character with newline in Vim
Replace master branch in Git from another branch
replace newline with space using sed
Resize image while maintaining aspect ratio
RESTful programming explanation
retrieve data
return a value from a function in Python
reverse a list in Python
Revert a merge commit already pushed to remote
Revert all local changes in Git to previous state
RIGHT JOIN
route creation
route with blade file
route with controller
route with view
Ruby attr_accessor explanation
run Python on Android
run Python script
run two commands in one line in Windows CMD
save activity state saveInstanceState
Scroll to top of page with JavaScript
Search files in Visual Studio Code
Search for files in Visual Studio Code
Search Git repository by commit message
Sed delete lines with string
See diff between local branch and remote branch
send 404
Send email BCC
Send email in laravel
send to 302 page
Set
set up HTML page to redirect on load
set up virtual environment in Python
Set variable to command output in Bash
setup.py configuration and usage
show staged changes in Git
Simple creation of csv
Simple creation of xml
Single and double underscore before object name
slack
Smart pointer usage and when to use one
Smart pointers in C++
sort a list in Python
Sort dictionary by value
Sort dictionary by value in programming
sort list by object property
speed up Eclipse
split string by delimiter in Python
Split string on delimiter in Bash
Spring annotations difference
SQL JOIN types explanation
SQL JOIN vs INNER JOIN
SQL Server concatenate text from multiple rows
SQLite list tables in database
SSH run local script on remote machine
Stash only one changed file in Git
stash only one file out of multiple changed files in Git
Stash untracked file in Git
static function
static function in blade
stop EditText from gaining focus in Android
Store objects in HTML5 localStorage/sessionStorage
StringBuilder vs StringBuffer
StringBuilder vs StringBuffer difference
StringBuilder vs StringBuffer performance
StringBuilder vs StringBuffer performance comparison
Subtract a day from a date
symlink file in Linux
Templates only implemented in header file
Text files ending with a newline
Text files ending with newline
The Rule of Three in C++
Three dots in React
Time delay in programming
Trait
Trim whitespace from Bash variable
Trim whitespace from string
Trim whitespace in Bash variable
Trim whitespace in programming
Trim whitespace in programming languages
Trim whitespace in string
truncate table
typedef enum in Objective-C
TypeScript vs. JavaScript
UITableView disable row highlight
Uncommit last commit in Git
undefined
understand nil vs. empty vs. blank in Ruby
undo git reset HEAD~
Undo uncommitted or unsaved changes in Git
unique Android device ID
Update copyright year automatically with PHP
Update database with CSVfile
update GUI from another thread
update or sync forked repository on GitHub
update query
Upgrade Python packages with pip
Use bcrypt for hashing passwords in PHP
use booleans in Python
use break and continue in Python loops
use built-in libraries in Python
use classes and objects in Python
use comments in Python
use dictionaries in Python
use exception handling in Python
use external libraries in Python
use file input and output in Python
use for loops in Python
use functions in Python
use getters and setters/accessors for private vars
use Git and Dropbox together
Use git pull --rebase
Use Git rebase instead of Git merge
use grep to show filenames on Linux
use if statements in Python
use lists in Python
use modules and packages in Python
use None in Python
use numbers in Python
use operators in Python
Use pointer instead of object
use Python for data science and machine learning
use Python for web development
use reflection to call a generic method
use regular expressions in Python
Use sed to delete lines containing specific string
use sets in Python
Use SSH to run local shell script on remote machine
use standard library in Python
use strings in Python
use sudo to redirect output to restricted location
use tuples in Python
use while loops in Python
using namespace std; considered bad practice
using namespace std; practice in C++
utf8_general_ci vs utf8_unicode_ci
validate program existence in script
Version of PostgreSQL running
Vertically align image in div
Vertically center text with CSS
view file history with content changes in Git
Vim case insensitive search
Vim duplicate line
Vim replace character with newline
Vim work with multiple files
virtualenv
virtualenvwrapper
visibility:hidden vs display:none
Visual Studio auto format methods and loops
Visual Studio auto format settings
Visual Studio breakpoint not hit warning
Visual Studio build options explanation
Visual Studio Code cursor position shortcut
Visual Studio Code duplicate line or selection
Visual Studio code sections collapse/expand
Visual Studio Code switch focus between editor and terminal shortcut
Webpage redirection in programming
What is event bubbling and capturing
What is functional reactive programming
What is RESTful programming
when to use static_cast dynamic_cast const_cast reinterpret_cast
work with dates and times in Python
Work with multiple files in Vim
World! in Python
write a comment in Python
write given code in two lines
write JSON data from dictionary to file in Python
Write JSON data to file
Write JSON to file in programming
write switch statement in Ruby
XML parsing to get node attribute
YouTube API thumbnail PHP cURL
YouTube API video thumbnail

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