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Last active February 2, 2016 22:07
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logBind.js
function log(level, time, message) {
console.log(level + ' - ' + time + ': ' + message);
}
// Không có this nên set this là null
// Set mặc định 2 tham số level và time
var logErrToday = log.bind(null, 'Error', 'Today');
// Hàm này tương ứng với log('Error', 'Today', 'Server die.')
logErrToday("Server die.");
// Error - Today: Server die.
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