Phép cong string

sinhviencntt.net

by sinhviencntt January 23, 2017

HTML

<!DOCTYPE html>
<html>
<body>

<h1>Phép Cộng String</h1>

<p id="demo"></p>

<script>
var x = 4 + 6;
var y = "4" + 6;
var z = "Hello" + 6;
document.getElementById("demo").innerHTML =
x + "<br>" + y + "<br>" + z;
</script>

</body>
</html>

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Phép cong string

sinhviencntt.net

HTML

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