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30 lines
539 B
HTML
30 lines
539 B
HTML
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<!DOCTYPE html>
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<html>
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<body>
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<p>Click the first button to alert "Hello" after waiting 5 seconds.</p>
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<p>Click the second button to prevent the first function to execute. (You must click it before the 5 seconds are up.)</p>
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<button onclick="myFunction()">Try it</button>
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<button onclick="myStopFunction()">Stop the alert</button>
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<script>
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var myVar;
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function tt() {
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window.alert("Hello");
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}
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function myFunction() {
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myVar = setTimeout(tt, 5000);
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}
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function myStopFunction() {
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clearTimeout(myVar);
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}
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</script>
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</body>
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</html>
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