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<h2>
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  JavaScript IndexOf Method Example
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</h2>
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<script>
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'Black Dog'.indexOf('c');    // returns  3
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'Black Dog'.indexOf('D');    // returns  6
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'Black Dog'.indexOf('g');    // returns  8
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'Black Dog'.indexOf('d');    // returns  -1 Not found
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  document.write('Black Dog'.indexOf('c') + "<br>");  // returns  3
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  document.write('Black Dog'.indexOf('D')+ "<br>");  // returns  6
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  document.write('Black Dog'.indexOf('g')+ "<br>");  // returns  8
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  document.write('Black Dog'.indexOf('d')+ "<br>");  // returns  -1 Not found
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</script>
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