VAR
<script type="text/javascript"> var topic = "JavaScript"; if (topic) { var topic = "ECMAScript"; console.log("block", topic); } console.log("global", topic)l </script>
<script type="text/javascript"> var topic = "JavaScript"; if (topic) { var topic = "ECMAScript"; console.log("block", topic); } console.log("global", topic)l </script>