Object
Names and abbreviations on this page
MDN — MDN Web Docs (formerly Mozilla Developer Network). Reference material for web programming.
Programming terms & practical skills
What it means
In JavaScript, an object groups named properties and their values. For example, one rental listing can have a name, monthly rent and utility estimate. Other languages use the word object within their own type and class systems.
Related skills
Model informationChoose properties that match the real task.
Access consistentlyRead and update the intended property.
Validate structureCheck required properties before relying on them.
An everyday example
A rental object can associate the label Oak Street with rent of 1200 and utilities of 150. Keeping those properties together reduces the chance of mixing one home's label with another home's costs.
What to check
Two objects can represent similar information without being the same object. Avoid accidental changes to shared data.