Web-Related Terms Beginning with O
Object (JS)​
An object is a non-primitive JavaScript component that you can use to bundle multiple items into a single one.
Object Destructuring (JS)​
Object destructuring is a unique technique you can use to copy an object's values into new variables neatly.
Open API​
Open APIs are public APIs that are freely available for public use.
Operand​
An operand is an expression on which you operate. So, for instance, in 4 + 3 = 7
- 4 and 3 are the operands
- + is an addition operator
- = is an assignment operator
- 7 is the result of the arithmetic operation
Operating System API​
Operating system APIs connect a caller to the resources and services of an operating system.
Operator​
An operator is a reserved syntax for performing operations on one or more operands. So, for instance, in 4 + 3 = 7
- 4 and 3 are the operands
- + is an addition operator
- = is an assignment operator
- 7 is the result of the arithmetic operation
OR (RegExp)​
A regular expression's OR operator (x|y) defines the two alternative patterns you wish to find in a string.
OR Operator (JS)​
The OR operator (||) checks and returns true if one (or both) of its operands is true. Otherwise, it returns false if both of its operands are false.
Output File​
An output file is the compiled version of an entry file. In other words, an output script file refers to the JavaScript file a bundler generates automatically for your project.