JavaScript Keywords

JavaScript Keywords

JavaScript statements often start with a keyword to identify the JavaScript action to be performed. Here is a list of some of the keywords you will learn about in this:

Keyword	Description
break	Terminates a switch or a loop
continue	Jumps out of a loop and starts at the top
debugger	Stops the execution of JavaScript, and calls (if available) the debugging function
do ... while	Executes a block of statements, and repeats the block, while a condition is true
for	Marks a block of statements to be executed, as long as a condition is true for (var i=0;i<5;i++) {                 alert('i = ' + i); }
function	Declares a function
if ... else	Marks a block of statements to be executed, depending on a condition
return	Exits a function
switch	Marks a block of statements to be executed, depending on different cases
try ... catch	Implements error handling to a block of statements
var	Declares a variable

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