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@@ -0,0 +1,58 @@
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+// /////////////////////////makeProfileTimer
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+function makeProfileTimer() {
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+ let startTime = performance.now();
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+ return function () {
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+ return performance.now() - startTime;
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+ }
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+};
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+const timer = makeProfileTimer();
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+
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+alert('Замеряем время работы этого alert');
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+alert(`Time for this alert running is: ${timer()}`);
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+
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+// ////////////////////// makeSaver
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+function makeSaver(func) {
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+ let run1 = true;
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+ let saveResult;
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+ return function () {
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+ if (run1) {
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+ saveResult = func();
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+ run1 = false;
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+ console.log(`Result is saved: ${saveResult}`);
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+ }
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+ return saveResult;
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+ }
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+}
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+
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+var saver = makeSaver(Math.random);
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+
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+var value1 = saver();
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+var value2 = saver();
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+value1 === value2;
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+
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+var saver2 = makeSaver(() => console.log('saved function called') || [null, undefined, false, '', 0, Math.random()][Math.ceil(Math.random() * 6)]);
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+var value3 = saver2();
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+var value4 = saver2();
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+
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+value3 === value4;
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+
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+// //////////////////////////Final Countdown
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+function finalCountdown() {
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+ for (let i = 0; i < 5; i++) {
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+ setTimeout(() => console.log(5 - i), 1000 * i)
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+ }
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+ setTimeout(() => console.log("поехали !"), 5000)
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+}
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+
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+// ////////////////////////////myBind
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+function myBind(func, tempThis, tempArray) {
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+ return function (...arguments) {
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+ let i = 0;
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+ let newTempArray = tempArray.map((value) => (value === undefined ? arguments[i++] : value));
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+
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+ return func.apply(tempThis, newTempArray);
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+ };
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+}
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+
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+
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+
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