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<h1>Comparison operators & Boolean</h1>
<h2>===(동등 연산자) : 값과 데이터타입이 모두 같아야 참</h2>
<h3>1===1</h3>
<script>
document.write(1===1); // 참
</script>
<h3>1===2</h3>
<script>
document.write(1===2); // 거짓
</script>
<h3>1==='1'</h3>
<script>
document.write(1===1); // 거짓
</script>
<h3>1=='1'</h3>
<script>
document.write(1===2); // 참
</script>
<h3>1<2</h3>
<script>
document.write(1<2); // 참
</script>
<h3>1<1</h3>
<script>
document.write(1<1); // 거짓
</script>
<h3>1<=1</h3>
<script>
document.write(1<=1); // 참
</script>
<h2>true, false : Boolean 타입</h2>
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