javascript十进制、二进制、八进制、十六进制转换（转别人的）

本文介绍了一个简单的进制转换工具，该工具可以帮助用户在不同进制（二进制、八进制、十进制和十六进制）之间进行数值转换。用户只需输入原始数值并选择所需的转换方式即可查看结果。

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<input type = "input" id="original" />
<input type = "button" onclick = change10() value = "从10进制转换" />
<input type = "button" onclick = change2() value = "从2进制转换" />
<input type = "button" onclick = change8() value = "从8进制转换" />
<input type = "button" onclick = change16() value = "从16进制转换" />
<script>
var oOriginal = document.getElementById("original");
function change10(){
var num = parseInt(oOriginal.value);
alert("2: " + num.toString(2) + "/n" + "8: " + num.toString(8) + "/n" + "10: " + num.toString(10) + "/n" + "16: " + num.toString(16));
}
function change2(){
var num = parseInt(oOriginal.value,2);
alert("2: " + num.toString(2) + "/n" + "8: " + num.toString(8) + "/n" + "10: " + num.toString(10) + "/n" + "16: " + num.toString(16));
}
function change8(){
var num = parseInt(oOriginal.value,8);
alert("2: " + num.toString(2) + "/n" + "8: " + num.toString(8) + "/n" + "10: " + num.toString(10) + "/n" + "16: " + num.toString(16));
}
function change16(){
var num = parseInt(oOriginal.value,16);
alert("2: " + num.toString(2) + "/n" + "8: " + num.toString(8) + "/n" + "10: " + num.toString(10) + "/n" + "16: " + num.toString(16));
}
</script>