JavaScript 标签对 JavaScript 语句进行标记

JavaScript 标签可以对 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:
statements      

break labelname; 
continue labelname;      

cars=["BMW","Volvo","Saab","Ford"];
list: 
{
    document.write(cars[0] + "<br>"); 
    document.write(cars[1] + "<br>"); 
    document.write(cars[2] + "<br>"); 
    break list;
    document.write(cars[3] + "<br>"); 
    document.write(cars[4] + "<br>"); 
    document.write(cars[5] + "<br>"); 
}