What are the keywords of javascript

Keywords include: break, delete, if, this, while, case, do, in, throw, with, catch, else, instanceof, try, continue, finally, new, typeof, for, return, etc. .

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

Javascript keywords (Keywords) refer to those words that have specific meanings in the Javascript language and become part of the Javascript syntax. They are a set of names (or commands) used internally in the JavaScript language.

JavaScript Keywords

break	delete	if	this	while
case	do	in	throw	with
catch	else	instanceof	try
continue	finally	new	typeof
debugger（ECMAScript 5 new）	for	return	var
default	function	switch	void

Javascript keywords cannot be used as variable names and function names. Using Javascript keywords as variable names or function names will cause compilation errors in Javascript during the loading process.

Keywords in js can be used to indicate the beginning or end of a control statement, or to perform specific operations, etc. As a rule, keywords are also language reserved and cannot be used as identifiers.

[Recommended learning: javascript advanced tutorial]

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