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@GeKiStolyarov
Created July 9, 2018 03:28
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for...in and for...of
const browsers = ['Chrome', 'Firefox', 'Edge', 'Safari', 'Opera'];
// for in
for (const browser in browsers) {
console.log(browser, '---', browsers[browser]);
}
// output
// "0" "---" "Chrome"
// "1" "---" "Firefox"
// "2" "---" "Edge"
// "3" "---" "Safari"
// "4" "---" "Opera"
// for of
for (const browser of browsers) {
console.log(browser);
}
// output
// "Chrome"
// "Firefox"
// "Edge"
// "Safari"
// "Opera"
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