@gerhobbelt/mathjax-third-party-extensions/legacy/siunitx/node_modules/underscore.string/splice.js

A list of MathJax extensions provided by third-party contributors

var chars = require('./chars');

module.exports = function splice(str, i, howmany, substr) {
  var arr = chars(str);
  arr.splice(~~i, ~~howmany, substr);
  return arr.join('');
};