Tin mới
JavaScript: Scripting language
Web APIs: Programming interfaces
Structuring content with HTML module
Dynamic scripting with JavaScript module
Iterates over iterable objects (including arrays, array-like objects, iterators and generators), invoking a custom iteration hook with statements to be executed for the value of each distinct property.
An empty statement is used to provide no statement, although the JavaScript syntax would expect one.
What are statements, declarations, and expressions?
All JavaScript programs are composed of a sequence of top-level constructs, using one of the syntaxes listed above. These are known as statements and declarations. In MDN docs, we often colloquially refer to both as stat
What are statements, declarations, and expressions?
All JavaScript programs are composed of a sequence of top-level constructs, using one of the syntaxes listed above. These are known as statements and declarations. In MDN docs, we often colloquially refer to both as stat
What are statements, declarations, and expressions?
All JavaScript programs are composed of a sequence of top-level constructs, using one of the syntaxes listed above. These are known as statements and declarations. In MDN docs, we often colloquially refer to both as stat
What are statements, declarations, and expressions?
All JavaScript programs are composed of a sequence of top-level constructs, using one of the syntaxes listed above. These are known as statements and declarations. In MDN docs, we often colloquially refer to both as stat
What are statements, declarations, and expressions?
All JavaScript programs are composed of a sequence of top-level constructs, using one of the syntaxes listed above. These are known as statements and declarations. In MDN docs, we often colloquially refer to both as stat
What are statements, declarations, and expressions?
All JavaScript programs are composed of a sequence of top-level constructs, using one of the syntaxes listed above. These are known as statements and declarations. In MDN docs, we often colloquially refer to both as stat
What are statements, declarations, and expressions?
All JavaScript programs are composed of a sequence of top-level constructs, using one of the syntaxes listed above. These are known as statements and declarations. In MDN docs, we often colloquially refer to both as stat
What are statements, declarations, and expressions?
All JavaScript programs are composed of a sequence of top-level constructs, using one of the syntaxes listed above. These are known as statements and declarations. In MDN docs, we often colloquially refer to both as stat
This page was last modified on Sep 7, 2026 by MDN contributors.