<hmtl><head><title>Validasi Numerik</title> </head> <script> function cekNumeric() { var cek = document.getElementById("numeric").value; if (!/^[0-9]+$/.test(cek)) { alert("INPUT DATA HARUS NUMERIC !!!"); document.getElementById("numeric").value=""; } else { alert ("INPUT DATA NUMERIC: "+cek);} } </script> <input id="numeric" type="text"> <input type="Button" onclick="cekNumeric()" value="cek">
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