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showing results for - "function in javascript that can be called only once"
Leonardo
18 Mar 2018
1var something = (function() {
2    var executed = false;
3    return function() {
4        if (!executed) {
5            executed = true;
6            // do something
7        }
8    };
9})();
10
11something(); // "do something" happens
12something(); // nothing happens
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