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<html><head><style> table, th, td { border: 1px solid black;}</style></head><body><h1>Change border-spacing with JavaScript</h1><p>Click the "Try it" button to change the border-spacing property of the TABLE element:</p><button onclick="myFunction()">Try it</button><table id="myTABLE"> <tr> <th>Name</th> <th>Age</th> </tr> <tr> <td>Emil</td> <td>9</td> </tr> <tr> <td>Tobias</td> <td>7</td> </tr> <tr> <td>Linus</td> <td>2</td> </tr></table><script>function myFunction() { document.getElementById("myTABLE").style.borderSpacing = "15px";}</script></body></html>