can javascript return multiple values?
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JavaScript doesn't support functions that return multiple values. However, you can wrap multiple values into an array or an object and return the array or the object.
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To check what data type something has in javascript is not always the easiest. The language itself provides an operator called typeof for that which works in a straightforward way. Typeof returns a string of what a values data type is, so for an object "object" is returned and for a string "string".
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JavaScript also has four built-in objects: Array, Date, Math, and String. Each object has special-purpose properties and methods associated with it.
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To include SOQL queries within your Apex code, wrap the SOQL statement within square brackets and assign the return value to an array of sObjects. For example, the following retrieves all account records with two fields, Name and Phone, and returns an array of Account sObjects.
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['<title>jQuery Get Multiple Selected Option Value</title>', '<script>', 'ready(function() {', '$("button"). click(function(){', 'var countries = [];', '$. each($(".country option:selected"), function(){', 'countries. push($(this). val());', '});']
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1. The returning value. The first difference between map() and forEach() is the returning value. The forEach() method returns undefined and map() returns a new array with the transformed elements.
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['hasOwnProperty() method. The JavaScript object has a special method object. ... ', 'in operator. The in operator propName in object also determines whether propName property exists in object . ... ', 'Comparing with undefined. If you access a non-existing property from an object, the result is undefined . ... ', 'Summary.']
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The operator ?: works as follows expr1 is evaluated first if it is true expr2 is evaluated otherwise expr3 is evaluated. hence in expressions the return statement can not be used in C-language. The return statement is used for returning from a function , you can't use inside ternary operator.
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Use of HLOOKUP to return multiple values from a single Horizontal LOOKUP. ... If you wish to get an array, you need to select the number of cells that are equal to the number of rows that you want HLOOKUP to return. After typing FALSE, we need to press Ctrl + Shift + Enter instead of the Enter key.
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Free JavaScript Book! The function in question is called empty() . Similar to the PHP function of the same name, it takes a variable or property and tells you if the value is empty. ... PHP's empty() function is annoyingly loose. For example, 0 and false will both return true , which surprises many an unwary developer!
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Below is code for getting selected value. $("#first"). select2('val'); // It returns first,second,three. This is return a text like first,second,three and I want to get 1,2,3 .
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Returning a Value from a Function A VBScript function can have an optional return statement. This is required if you want to return a value from a function. For example, you can pass two numbers in a function and then you can expect from the function to return their multiplication in your calling program.
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['var gcd = function(a, b) {', 'if ( ! b) {', 'return a;', '}', 'return gcd(b, a % b);', '};', 'console. log(gcd(2154, 458));']
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You subtract them in JS exactly as you subtract them in Math. And that means: var result = num1 - num2; // get the result by subtracting num2 from num1.
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C programming does not allow to return an entire array as an argument to a function. However, you can return a pointer to an array by specifying the array's name without an index.
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In python, a dictionary can only hold a single value for a given key. However, if you use a relevant data type for that value, you should be able to save multiple values for a single key.
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The attr() method sets or returns attributes and values of the selected elements. When this method is used to return the attribute value, it returns the value of the FIRST matched element. When this method is used to set attribute values, it sets one or more attribute/value pairs for the set of matched elements.