padLeft
Adding char left of string.
Source
String.prototype.padLeft = function(len, c) {
var s = this, c = c || '0';
while (s.length < len) s = c + s;
return s;
};Example
"123".padLeft(6, '0');
Result: 000123ExtensionMethod.NET Home of 875 C#, Visual Basic, F# and Javascript extension methods
Adding char left of string.
String.prototype.padLeft = function(len, c) {
var s = this, c = c || '0';
while (s.length < len) s = c + s;
return s;
};"123".padLeft(6, '0');
Result: 000123