JavaScript Loop Statements StatementDescription breakBreaks out of a loop continueSkips a value in a loop whileLoops a code block while a condition is true do...whileLoops a code block once, and then while a condition is true forLoops a code block while a condition is true ...
https://stackoverflow.com/questions/44481131/why-the-huge-time-difference-between-while-and-do-while-in-javascript https://stackoverflow.com/questions/39969145/while-loops-vs-for-loops-in-javascript https://stackoverflow.com/questions/5599027/the-do-while-statement...
do-while循环 do-while循环和while循环是类似的区别是do-while是先做一次。...再判断条件是否为true,再决定是否继续循环一、语法 init_expr do{ statement alter_expr }while(test_expr) 这段语法表达的意思是:...首先...
for、for-in的确是使用管比较频繁的，但是额外还有两种循环语句，一种是while语句，一种是do-while语句...
技术标签: JavaScript高级教程 javascriptdo-while语句是一种后测试循环语句,即只有在循环体中的代码执行之后,才会测试出口条件。 换句话说,在对条件表达式求值之前,循环体内的代码至少会被执行一次。以下是do-while语句的语法: statement } while (expression); 1 2 下面是一个示例: var i = 0; do { i +=...
do{// …}while((match=regexp.exec(str))); 但是,当你这样做时,就会在可读性上有所取舍。在while文档中有一个使用赋值作为条件部分,其中包含了我们的建议。 规范 Specification ECMAScript® 2026 Language Specification #sec-do-while-statement
JavaScript now supports five different types of loops:while— loops through a block of code as long as the condition specified evaluates to true. do…while— loops through a block of code once; then the condition is evaluated. If the condition is true, the statement is repeated as long as...
Using the continue Statement in JavaScript Using console.log() in JavaScript JavaScript Comma Operator JavaScript Logical Operators Syntax of the do while Loop in JavaScript This loop builds upon a standard JavaScript while loop, changing its characteristics slightly by allowing you to run code before...
While loop and do loop JavaScript Basics Basic Loops While loops are conditional loops where a condition is checked at the starting of the loop and if the condition is true then the statements inside the loop is executed. So the changes required in condition has to be inside the statement...
See also the continue statement to restart the do-while loop from the beginning.Example Let's look at an example that shows how to use a do-while loop in JavaScript. For example: var counter = 1; do { console.log(counter + ' - Inside do-while loop on TechOnTheNet.com'); counter...