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What is the yield keyword in JavaScript?
The yield keyword is used in JavaScript to pause and resume a generator function. The value of the expression is returned to the generator's caller.
Here are the Examples −
function* displayRank () { var selPlayers= [1, 2, 3, 4]; for (var a = 0; a < selPlayers.length; a++) { yield selPlayers[i]; } }
After defining a generator function, use it like the following. H
Here displayRank() is the generator function −
var rank = displayRank(); // // value: 1 alert(rank.next()); // value: 2 alert(rank.next()); // value: 3 alert(rank.next()); // value: 4 alert(rank.next()); // value: undefined alert(rank.next());
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