4.7.2. Compound Assignment Operators¶
/*A common programming task is to update the value of a variable in
reference to itself.*/
let x = 1;
x = x + 1;
console.log(x);
//2
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/*This action is so common, in fact, that it has a shorthand operator,
+=. The following example has the same behavior as the one above.*/
let x = 1;
x += 1;
console.log(x);
//2
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