document.writeln()
HTML DOM writeln() 方法
定义和用法
writeln() 方法与 write() 方法作用相同，外加可在每个表达式后写一个换行符。
语法
document.writeln(exp1,exp2,exp3,...)
| 参数 | 描述 |
|---|---|
| exp1,exp2,exp3,... | 可选.要写入的输出流。它们将按顺序被追加到文档中。 |
浏览器支持
所有主要浏览器都支持 writeln() 方法
实例
write()和writeln()之间的差异：
<html>
<body>
<p>Note that write() does NOT add a new line after each statement:</p>
<pre>
<script>
document.write("Hello World!");
document.write("Have a nice day!");
</script>
</pre>
<p>Note that writeln() add a new line after each statement:</p>
<pre>
<script>
document.writeln("Hello World!");
document.writeln("Have a nice day!");
</script>
</pre>
</body>
</html>
<body>
<p>Note that write() does NOT add a new line after each statement:</p>
<pre>
<script>
document.write("Hello World!");
document.write("Have a nice day!");
</script>
</pre>
<p>Note that writeln() add a new line after each statement:</p>
<pre>
<script>
document.writeln("Hello World!");
document.writeln("Have a nice day!");
</script>
</pre>
</body>
</html>