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+= is the concatenation equals operator. Often used to append and assign strings;
var s="Hello";
s += ' World';
console.log(s); // Hello World
1
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solved Meaning of += sign [closed]
[ad_1]
+= is the concatenation equals operator. Often used to append and assign strings;
var s="Hello";
s += ' World';
console.log(s); // Hello World
1
[ad_2]
solved Meaning of += sign [closed]