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Syntax. while (condition) { // code block to be executed. } Example. In the following example, the code in the loop will run, over and over again, as long as a variable (i) is less than 10: Example. while (i < 10) { text += "The number is " + i; i++; } Try it Yourself »
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The while statement creates a loop (araund a code block)...
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1 maj 2024 · The while statement creates a loop that executes a specified statement as long as the test condition evaluates to true. The condition is evaluated before executing the statement.
The while statement creates a loop (araund a code block) that is executed while a condition is true. The loop runs while the condition is true. Otherwise it stops.
The JavaScript while statement creates a loop that executes a block as long as a condition evaluates to true. The following illustrates the syntax of the while statement: while (expression) { // statement} Code language: JavaScript (javascript) The while statement evaluates the expression before each iteration of the loop. If the expression ...
JavaScript While Loop. The number is 0 The number is 1 The number is 2 The number is 3 The number is 4 The number is 5 The number is 6 The number is 7 The number is 8 The number is 9
JavaScript do...while Loop. The do...while loop executes a block of code once, then repeatedly executes it as long as the specified condition is true. The syntax of the do...while loop is: do { // body of loop } while(condition);
19 cze 2022 · The while loop has the following syntax: while (condition) { // code // so-called "loop body" } While the condition is truthy, the code from the loop body is executed. For instance, the loop below outputs i while i < 3: let i = 0; while (i < 3) { // shows 0, then 1, then 2 alert ( i ); i++; }
