Class6_Sept25_ITMD465-565_19F.pdf - ITMD 465/565 Rich Internet Applications Lecture 6 Fall 2019 – • Introduction to some ES6 features • Ajax

Class6_Sept25_ITMD465-565_19F.pdf - ITMD 465/565 Rich...

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ITMD 465/565 Rich Internet Applications Lecture 6 Fall 2019 – September 25, 2019
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Tonight’s Agenda Introduction to some ES6 features Ajax introduction ? ITMD 465/565 - School of Applied Technology - Illinois Institute of Technology 2
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ES6+ (ES 2015+) Beyond legacy JavaScript ITMD 465/565 - School of Applied Technology - Illinois Institute of Technology 3
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ES6+ The 6 edition of the ECMAScript-262 standard for JavaScript Also known as ECMAScript 2015 Was finalized and published in June 2015 This added significant new syntax and features Native support in most browsers at this time for most features Can use a tool like Babel to transpile to ES5 for compatibility New additions are published yearly. Browser support lags behind slightly. ES7 or ECMAScript 2016 is widely supported by current major browsers ECMAScript#6th_Edition_-_ECMAScript_2015 ITMD 465/565 - School of Applied Technology - Illinois Institute of Technology 4
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ES6 Features ES6 adds some new syntax and features. Some of the bigger changes are: Classes Block-Scoped Constructs let and const Arrow Functions Default Parameters Rest and Spread Parameters Destructuring Assignment Template Strings Multi-line String Maps & Sets Modules ITMD 465/565 - School of Applied Technology - Illinois Institute of Technology 5
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Class ES6 added a class syntax similar to other languages. Just syntactic sugar, still prototypal under the hood. Constructor is used to setup parameters and set properties.
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