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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Operators</h2>
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<p>The assignment operator += can concatenate strings.</p>
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<p id="demo"></p>
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<script>
txt1 = "What a very ";
txt1 += "nice day";
document.getElementById("demo").innerHTML = txt1;
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_oper_concat4 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:28:12 GMT -->
</html>
​
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