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[1,2,3].map(i => i * 2); // [2,4,6] [1,2,3].filter(i => i != 2); // [1,3] to sum up This article mainly introduces the difference between ordinary functions and arrow functions. Compared with ordinary functions, the main differences of ES6 arrow functions are as follows...
C# code for get distance between two point using google map C# code for salary calculation C# code in aspx file C# comparing two complex objects and get difference. c# declaring huge strings C# equivalent of JavaScript escape() C# for determining if AM or PM C# has GetDate() function? c#...
This is one of the tricky Java interview questions, which some of you might have encountered. There is a very subtle difference betweengetClass()and instanceof operator, which can cause potential issues with respect to theequals()method. Coming to the point, the key difference between them is...
Explain Promise.allSettled() with async-await in JavaScript? How does jQuery replaceWith() method work? How does jQuery.filter() method work in jQuery? How does jQuery.find() method work in jQuery? How does jQuery.eq() method work in jQuery? How does jQuery.map() method work in jQue...
The jQuery map function translates a set of elements in the jQuery object into another set of values in a jQuery array which may, or may not contain elements. The grep() function is used to find an element of an array. The difference is we use .greptofilteranarrayand.greptofilteran...
Filter Group Hexbin Interval Map Normalize Select Shift Sort Stack Tree Window Interactions Crosshair Pointer API index On this page Difference mark ^0.6.12 The difference mark puts a metric in context by comparing it. Like the area mark, the region between two lines is filled; unlike the...
JavaScript, how to replace an item of an array Nov 18, 2020 JavaScript, how to find duplicates in an array Nov 16, 2020 JavaScript, how to extend a class Nov 15, 2020 JavaScript, how to filter an array Nov 14, 2020 JavaScript, how to find a character in a string Nov 13, 20...
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Difference between primary key and unique key in SQL As I said both primary and unique key uniquely identifies each row in the table but there is some subtle difference between them. here are some of them : 1.Unique keyin a tablecan benull, at least one but theprimary keycannot be null...