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Should single-line comments be placed at the end of the line or above the code?

WBOY
WBOYOriginal
2016-12-01 00:00:401615browse

If it is necessary to add a single-line comment, do developers generally put the single-line comment at the end of the code line, or should it be placed on its own line above the code? Or is it a specific situation and detailed analysis? Is it a personal habit or does it have your reasons. I hope everyone can discuss it so that I can learn more.

  • End of line

<code>var var1 = 5; // 声明并初始化变量,值为5</code>
  • Above

<code>// 声明并初始化变量,值为5
var var1 = 5; </code>
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