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21 lines
771 B
HTML
21 lines
771 B
HTML
<title>Arrow Functions (Gosinta)</title>
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<h1>Arrow Functions (Gosinta)</h1>
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<pre>
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var solarsystem = {
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planets: ['Mercury', 'Venus', 'Earth', 'Mars', 'Jupiter', 'Saturn', 'Uranus', 'Neptune', 'Pluto (?)'],
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showPlanets: function() {
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this.planets.forEach(function(planet, idx) {
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console.log(this.planets[idx]);});
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}};
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solarsystem.showPlanets(); // crash! ⛔
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</pre>
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<pre class="appear">
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var solarsystem = {
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planets: ['Mercury', 'Venus', 'Earth', 'Mars', 'Jupiter', 'Saturn', 'Uranus', 'Neptune', 'Pluto (?)'],
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showPlanets: function() {
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this.planets.forEach((planet, idx) => {
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console.log(this.planets[idx]);});
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}};
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solarsystem.showPlanets(); // success! 🌍
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</pre>
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<next-slide>130-string-power</next-slide> |