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
<!DOCTYPE html> 慕课网OA办公系统 <!--引入样式--> <!--引入组件库--> .login-box { border: 1px solid #DCDFE6; width: 350px; margin: 180px auto; padding: 35px 35px 15px 35px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; box-...
jquery js“使用了Void函数返回值”的含义IDE警告是因为您将返回undefined的函数的结果赋给了变量。这不...
jquery js“使用了Void函数返回值”的含义我有下面的代码，其中的警报是工作，但当我选择选项与给定的id...
Void can be used to call functions while ignoring their return values. main.js function greet() { console.log('Hello!'); return 'Greeting complete'; } const output = void greet(); console.log(output); The greet function executes and logs 'Hello!', but its return value is discarded. ...
_.isUndefined = function(obj) { return obj === void 0; } 除了采用void能保证取到undefined值以外,还有其它方法吗?有的,还有一种方式是通过函数调用。如AngularJS的源码里就用这样的方式: (function(window, document, undefined) { //... })(window, document); 通过不传参数,确保了undefined参数的值...
Return undefined. NOTE: GetValue must be called even though its value is not used because it may have observable side-effects. 无论void 后面的值是什么,它都会返回 undefined 的结果,但是有个需要特别注意的地方,这个 void 后面接的表达式是会被执行的(有没有加上括号无所谓) ...
_.isUndefined =function(obj) {returnobj ===void0; } 除了采用void能保证取到undefined值以外,还有其它方法吗?有的,还有一种方式是通过函数调用。如AngularJS的源码里就用这样的方式: (function(window, document, undefined) {//...})(window, document); 通过...
JS1182: Cannot return a value from a constructor or void function JS1183: More than one method or property matches this argument list JS1184: More than one constructor matches this argument list JS1185: Base class constructor is not accessible from this scope JS1186: Octal literals are depre...
Directive function is invoked only when template is created with a different function, so if we are going to reuse the same function, it can be used as a DOM element created callback:const Example = component((c) => { const onCreated = (innerElement) => { // .. }; return () =...