您无法更改<input>字段内的文本颜色.但是,您可以在其下创建DIV或按照上一个答案中的建议覆盖它.
这是使用Plain Old Javascript执行此操作的示例.
<html>
<head>
<title>Random Colors</title>
<script>
window.onload = function(){
var mytextbox = document.getElementById("mytext");
mytextbox.onblur = function(){
var words = mytextbox.value.split(' ');
var myDiv = document.getElementById("divText");
myDiv.innerHTML = '';
for(i = 0, len = words.length; i<len;i++){
myDiv.innerHTML += '<span>' + words[i] + '</span> ';
}
var spans = myDiv.getElementsByTagName('span');
for(i = 0, len = spans.length; i<len; i++){
spans[i].style.color = random_color();
}
}
}
function random_color()
{
var rint = Math.round(0xffffff * Math.random());
return ('#0' + rint.toString(16)).replace(/^#0([0-9a-f]{6})$/i, '#$1');
}
</script>
</head>
<body>
<input type="text" id="mytext" />
<div id="divText"></div>
</body>
</html>
随机颜色函数源