break 语句用于退出 switch 语句或循环语句(for, for ... in, while, do ... while)。 当break 语句用于 switch 语句中时,会跳出 switch 代码块,终止执行代码。 当break 语句用于循环语句时,会终止执行循环,并执行循环后代码(如果有的话)。 break 语句同样可用于可选的标签引用,用于跳出代码块。(查看以下 ...
Find out the ways you can use to break out of a for or for..of loop in JavaScriptSay you have a for loop:const list = ['a', 'b', 'c'] for (let i = 0; i < list.length; i++) { console.log(`${i} ${list[i]}`) }...
break 语句退出 switch 语句或循环(for、for ... in、while、do ... while)。当break 语句与 switch 语句一起使用时,它会跳出 switch 块。这将停止在块内执行更多代码和/或 case 测试。在循环中使用 break 语句时,它会中断循环并继续执行循环后的代码(如果有)。
For loop in client side JavaScript has three parts in its declaration. The first part initialize a variable, the second part checks the condition and the third part gives the steps in which the variable will change value. Here is the syntax. ...
JavaScript break 语句 break语句退出switch语句或循环(for,for ... in,while,do ... while)。当break语句与switch语句一起使用时,它会断开switch块。这将停止在块内执行更多的代码执行和/或案例测试。当break语句在循环中使用时,它会中断循环并继续在循环后执行代码(如果有的话)。break语句也可以与可选的标签引...
The break keyword is used to terminate the execution of a loop prematurely. When encountered inside a loop, it immediately exits the loop, regardless of the loop's condition. This provides control over loop execution. The break statement can be used in for, while, do...while, and switch ...
This JavaScript tutorial explains how to use the break statement with syntax and examples. In JavaScript, the break statement is used when you want to exit a switch statement, a labeled statement, or exit from a loop early such as a while loop or for loo
#在 Python 中使用 breakforiinrange(5):print("Loop",i)ifi==3:break# 提前终止 1. 2. 3. 4. 5. AI检测代码解析 // 在 Java 中使用 breakfor(inti=0;i<5;i++){System.out.println("Loop "+i);if(i==3){break;// 提前终止}} ...
break 语句用于退出 switch 语句或循环语句(for, for ... in, while, do ... while)。当break 语句用于 switch 语句中时,会跳出 switch 代码块,终止执行代码。当break 语句用于循环语句时,会终止执行循环,并执行循环后代码(如果有的话)。break 语句同样可用于可选的标签引用,用于跳出代码块。(查看以下 "...
for(i in document){ switch(i.toString()){ case "bgColor": document.write("document." + i + "=" + document[i] + ""); break; default: document .write ("没有找到"); } } 【示例3】针对示例2,可以为for/in语句定义一个标签outloop,然后在最内层的break语句中设置该标签名,这样当条件...