![]() ![]() You may omit the initialization part altogether as it's optional. ![]() The expressions in this part are evaluated once before the loop begins. This part is typically used to initialize variables. For example:įollowing topics describe each part of the loop in detail: The for statement is followed by a single statement, or a block of statements that are to be executed in the body of the loop. The three expressions separated by a semi-colon, enclosed within parentheses are used to create the loop. A JavaScript for loop has the following four parts:įor (initialization condition final-expression) ![]()
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