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            <title><![CDATA[PHP Return Type Declaration: Bản hợp đồng cam kết cho dữ liệu đầu ra]]></title>
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                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Nguyễn Huy Hoàng</dc:creator>
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            <title><![CDATA[VAR, LET và CONST - Hoisting và Scope trong JavaScript]]></title>
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            <description><![CDATA[VAR, LET và CONST
JavaScript, cũng như các ngôn ngữ lập trình khác, cho phép khai báo biến bằng nhiều cách khác nhau. Với các keyword var, let và cons...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Nguyen Van Sang</dc:creator>
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            <title><![CDATA[[JavaScript] Declaring Variables in ES6 and Arrow Functions]]></title>
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                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Nguyễn Thanh Tuấn</dc:creator>
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            <title><![CDATA[What are the differences between variables created using let, var or const?]]></title>
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var
- If a variable is created inside a function, it is scoped to the function
- If a variable is created outside of any function, it is scoped ...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Matter</dc:creator>
            <pubDate>2018-02-28 10:11:55</pubDate>
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