Statement 1 在循环开始之前设置变量 (var i=0)。 Statement 2 定义循环运行的条件(i 必须小于 5)。 Statement 3 在每次代码块已被执行后增加一个值 (i++)。 2、for/in循环 for/in 语句循环遍历对象的属性: var person={fname:"Bill",lname:"Gates",age:56}; var txt = “”; for (x in perso...
ENbreak和continue break和continue，用于循环退出 break表示终止整个循环，退出循环 continue表示中止本次循...
if (i==3) continue; x=x + "The number is " + i + ""; } JavaScript 标签 正如您在switch 语句那一章中看到的,可以对 JavaScript 语句进行标记。 如需标记 JavaScript 语句,请在语句之前加上冒号: label: 语句 break 和 continue 语句仅仅是能够跳出代码块的语句。 语法 break labelname; continue l...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 #include <stdio.h> //continue在while多重嵌套中的使用效果 int main () { //initialize int tmp = 0, loop = 0; puts ( "multiple while nesting" ); //the first layer while while ( loop <= 2 ){ loop++; puts ( " in the first laye...
JavaScriptBreak and Continue Thebreakstatement "jumps out" of a loop. Thecontinuestatement "jumps over" one iteration in the loop. The Break Statement You have already seen thebreakstatement used in an earlier chapter of this tutorial. It was used to "jump out" of aswitch()statement. ...
{if(i==3)continue; x=x + "The number is " + i + ""; } JavaScript Labels As you have already seen, in the chapter about the switch statement, JavaScript statements can be labeled. To label JavaScript statements you precede the statements with a colon: label:...
javaScript中的return,break,continue的区别 导语: javaScript中有三种方法可以跳出循环或者终止循环。分别为break、return、continue。 正文: 一、break break 会使得整个程序终止执行或者包含了最内层的循环或者退出一个switch的循环。 由于它是用来终止循环或者跳出switch循环的,所以只有当它出现在这些语句时,才是合法的...
The break statement "jumps out" of a loop.The continue statement "jumps over" one iteration in the loop.The Break StatementYou have already seen the break statement used in an earlier chapter of this tutorial. It was used to "jump out" of a switch() statement.The break statement can ...
另外，要注意到除了 return 外，break、continue、throw 也都属于控制流转移操作，因此 finally 块也能...
The break statement is used to alter the flow of loops. In this tutorial, you will learn about the JavaScript break statement with the help of examples.