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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.
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 »
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++; }
With a while loop, you can execute code repeatably as long as a certain condition is fulfilled. It is written with the while keyword followed by a condition wrapped in round brackets and a code block that contains the body of the loop wrapped in curly brackets.
27 sie 2022 · 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. } The while statement evaluates the expression before each iteration of the loop.
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.
6 sie 2024 · while statement. A while statement executes its statements as long as a specified condition evaluates to true. A while statement looks as follows: js. while (condition) statement. If the condition becomes false, statement within the loop stops executing and control passes to the statement following the loop.
