How to use 'javascript insert variable into string' in JavaScript
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107 function insertString(s, index, value) { 108 if (!value) { 109 return s; 110 } 111 if (!index) { 112 return value + s; 113 } 114 return s.substr(0, index) + value + s.substr(index); 115 }
63 function insert(str, index, value) { 64 return str.substr(0, index) + value + str.substr(index); 65 }