如何在 X 个字符后剪切字符串？

Question

如何在 JavaScript 中特定数量的字符后剪切字符串？

然后我想附加 '...' Unicode 字符。 我怎样才能做到这一点？

Answer 1

["

简单地<\/p>

  var trunc = "abcdef".substr(0, 3) + "\u2026";

Answer 2

["

Answer 3

var trucatedText = yourtext.substring(0, 3) + '...';  // substring(from, to);

Answer 4

像这样吗？

var text= "This is your text";
var stripHere = 7;
var shortText = text.substring(0, stripHere) + "...";

alert(shortText);

http://jsfiddle.net/ThKsw/

Answer 5

["