JavaScript Snippets
The JavaScript snippet collection contains a wide variety of ES6 helper functions. It includes helpers for dealing with primitives, arrays and objects, as well as algorithms, DOM manipulation functions and Node.js utilities.
Current page protocol
JavaScript, Browser
Gets the protocol being used on the current page.
Number in range
JavaScript, Math
Checks if the given number falls within the given range.
Check if date is after another date
JavaScript, Date
Checks if a date is after another date.
Check if date is before another date
JavaScript, Date
Checks if a date is before another date.
Check if date is between two dates
JavaScript, Date
Checks if a date is between two other dates.
Check if localStorage is enabled
JavaScript, Browser
Checks if
localStorageis enabled.String is lowercase
JavaScript, String
Checks if a string is lower case.
Check if sessionStorage is enabled
JavaScript, Browser
Checks if
sessionStorageis enabled.String is uppercase
JavaScript, String
Checks if a string is upper case.
Negate predicate
JavaScript, Function
Negates a predicate function.
Random boolean value
JavaScript, Math
Generates a random boolean value.
Shallow clone object
JavaScript, Object
Creates a shallow clone of an object.
Time taken by function
JavaScript, Function
Measures the time it takes for a function to execute.
Unary function arity
JavaScript, Function
Creates a function that accepts up to one argument, ignoring any additional arguments.
Apply function when condition is met
JavaScript, Function
Returns a function that takes one argument and runs a callback if it's truthy or returns it if falsy.