substr_slice

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sbstr
var text = 'あいうえお';
var ins = '12345';
var res = text.substr(0, 3) + ins + text.substr(3);
ready
slice
var text = 'あいうえお';
var ins = '12345';
var arry = text.split('');
var n = 3 - 1;
var pos = arry[n];
arry.splice(n, 1, pos + ins + '');
ready

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  • Revision 1: published by tinybeans on