JavaScriptVoidfunction return value is used as the return type of function that does not return any value. Thevoidoperator is often used for obtaining theundefinedprimitive value. void expression Void function return value is used in JavaScript A simple example code describes the returning undefined ...
Many web pages use JavaScript to perform complex interactions between the user and the page. It is important to know how to execute JavaScript functions from within Internet explorer. The simplest method is to useNavigatewith the prefixjavascript:then the function name. However, this does not give...
functioncreateCompare(property){returnfunction(obj1,obj2){varvalue1=obj1[property], value2=obj2[property];if(value1<value2)return-1;elseif(value1>value2)return1;elsereturn0; } } vardata=[{name:'aa',age:20},{name:'bb',age:12},{name:'cc',age:30}]; data.sort(createCompare("age...
functioncreateCompare(property){returnfunction(obj1,obj2){varvalue1=obj1[property],value2=obj2[property];if(value1<value2)return-1;elseif(value1>value2)return1;elsereturn0;}} 代码语言:javascript 代码运行次数:0 运行 AI代码解释 vardata=[{name:'aa',age:20},{name:'bb',age:12},{name:'...
return的返回值 return 只能返回一个值。如果用逗号隔开多个值，以最后一个为准。functionadd(num1，num...
整理了JavaScript中函数Function的各种,感觉函数就是一大对象啊,各种知识点都能牵扯进来,不单单是 Function 这个本身原生的引用类型的各种用法,还包含执行环境,作用域,闭包,上下文,私有变量等知识点的深入理解。 函数中的return return 语句可以不带有任何返回值,在这种情况下( return; 或函数中不含 return 语句时),...
on('show', function (e) { if (!data) return e.preventDefault() // stops modal from being shown }) 过渡效果 bootstrap-transition.js 关于过渡效果 对于简单的过度效果,只要在引入其它JS文件时一同引入bootstrap-transition.js文件即可。如果你引入的是编译(或压缩)之后的bootstrap.js文件,就不再需要...
asyncfunctiongetABC(){// Promise.all()允许我们同时发送所有请求。letresults=awaitPromise.all([getValueA,getValueB,getValueC]);returnresults.reduce((total,value)=>total*value);} 这样,该功能将花费更少的时间。 getValueB和getValueC调用将在getValueB结束时完成。我们将有效地将执行时间减少到最慢请求...
return 语句的语法格式如下：// 声明函数function函数名（）{...return需要返回的值；}// 调用函数...
functionmyFunction(name) { return"Hello "+ name; } Try it Yourself » More examples below. Description Thereturnstatement stops the execution of a function and returns a value. Read our JavaScript Tutorial to learn all you need to know about functions. Start with the introduction chapter abou...