28 lines
944 B
HTML
28 lines
944 B
HTML
<!doctype html>
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<html>
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<head>
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<title>Complete JavaScript Course</title>
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</head>
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<body>
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<textarea name="txtarea" rows=2 cols=50></textarea> <button>Get Emails</button>
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<textarea name="txtarea2" rows=2 cols=50></textarea>
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<script>
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const firstArea = document.querySelector("textarea[name='txtarea']");
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const secArea = document.querySelector("textarea[name='txtarea2']");
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document.querySelector("button").addEventListener("click", lookUp);
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function lookUp() {
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const rawTxt = firstArea.value;
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const eData = rawTxt.match(/([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+)/gi);
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const holder = [];
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for (let x = 0; x < eData.length; x++) {
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if (holder.indexOf(eData[x]) == -1) {
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holder.push(eData[x]);
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}
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}
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secArea.value = holder.join(',');
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}
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</script>
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</body>
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</html>
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