js shorthand coding technique 🗽🚀

Author: lgope

js-coding-technique/double-bitwise-not.js

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+// Longhand:
+
+Math.floor(5.9) === 5; //true
+
+// Shorthand:
+
+~~5.9 === 5; //true
+
+console.log(~~5.9 === 5);

js-coding-technique/exponent-power.js

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+// Longhand:
+
+Math.pow(2, 4); // 16
+Math.pow(2, 2); // 4
+Math.pow(4, 4); // 256
+
+// Shorthand:
+
+2 ** 4; // 16
+2 ** 2; // 4
+4 ** 4; // 256
+
+console.log(2 ** 4);
+console.log(2 ** 2);
+console.log(4 ** 4);

js-coding-technique/obj-assignment.js

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+// longhand
+let fname = { firstName: 'Black' };
+let lname = { lastName: 'Panther' };
+
+// shorthand
+let full_names = Object.assign(fname, lname);
+
+// another
+let full_names = { ...fname, ...lname };

js-coding-technique/string-to-number.js

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+// Longhand:
+
+const num1 = parseInt('600');
+const num2 = parseFloat('600.06');
+
+// Shorthand:
+
+const num6 = +'600'; // converts to int data type
+const num2 = +'600.06'; // converts to float data type