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Oct 18th, 2019
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  1. String.format = function() {
  2. if( arguments.length == 0 )
  3. return null;
  4. var str = arguments[0];
  5. for(var i=1;i<arguments.length;i++) {
  6. var re = new RegExp('\\{' + (i-1) + '\\}','gm');
  7. str = str.replace(re, arguments[i]);
  8. }
  9. return str;
  10. };
  11.  
  12. // String.format('今天星期{0}', '一')
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