1 define(['../math/clamp', '../lang/toString'], function (clamp, toString) {
4 * Inserts a string at a given index.
6 function insert(string, index, partial){
7 string = toString(string);
10 index = string.length + index;
13 index = clamp(index, 0, string.length);
15 return string.substr(0, index) + partial + string.substr(index);