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var mystr="Hello World!"; var myl=mystr.length; //输出myl的值为12.
越努力越幸运！！！
Does a space count as one character? -PHP Chinese website Q&A-Does a space count as one character for changing length? -PHP Chinese website Q&A
Please watch and learn.
是的，空格也叫空字符，空字符也是字符。也算一个字符长度。
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Does a space count as one character? -PHP Chinese website Q&A-Does a space count as one character for changing length? -PHP Chinese website Q&A
Please watch and learn.
是的，空格也叫空字符，空字符也是字符。也算一个字符长度。