It wouldn’t sound too obvious but sometimes your function might need to return multiple values. For instance, in one of the applications I’m working on, I have a JavaScript function where I have to calculate two different values and return them. So, I needed to return two values from ...
使用数组:可以将需要返回的多个值存储在一个数组中,然后将该数组作为函数的返回值返回。例如: 代码语言:txt 复制 function returnMultipleValues() { var value1 = 'Value 1'; var value2 = 'Value 2'; var value3 = 'Value 3'; return [value1, value2, value3]; } var result = returnMultipleValue...
function returnMultipleValues(){ return ["value1","value2"] } var [foo,bar] = returnMultipleValues(); 1. 2. 3. 4. 5. 使用解构导入部分 CommonJS 模块 我们导入CommonJS 模块 X 时,很可能在模块 X 中导出了许多你根本没打算用的函数。通过解构,你可以显式定义模块的一部分来拆分使用,同时还不...
MessageBox.Show(strRetVal) End Sub In .NET 1.x, we would call theparentWindow.execScriptmethod on theHTMLDocument. Not forgetting to add empty parenthesis after the JavaScript function name. UnfortunatelyexecScriptreturnsnullinstead of the JavaScript return value. To test the application, compile an...
With that point in mind, why do we need to call the function again with its input multiple times? Can’t we just replace the function call with the function’s previous result? (Again note here how we are using the referential transparency concept, thus replacing the function with the ...
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关于函数(The Function) 最开始,我们需要统一一些基本术语。从现在开始,我们将函数(functions)的概念定义为“执行一个明确的动作并提供一个返回值的独立代码块”。函数可以接收作为值传递给它的参数(arguments),函数可以被用来提供返回值(return value),也可以通过调用(invoking)被多次执行。
You may pass multiple triggers; separate them with a space. manual cannot be combined with any other trigger. viewport string | object | function { selector: 'body', padding: 0 } Keeps the popover within the bounds of this element. Example: viewport: '#viewport' or { "selector": "#...
.error.message.value; } catch (e) { errorText = req.responseText } return new Error("Error : " + req.status + ": " + req.statusText + ": " + errorText); }, _dateReviver: function (key, value) { /// /// Private function to convert matching string values to Date objects. ...
Given a DOM node or string ID (pNd), this function returns the value of an Application Express item as a string or an array. If the page item type can contain multiple values like a shuttle, checkboxes or a multi select list an array will be returned, otherwise a string. ...