javascript print int with leading zeros
function padLeadingZeros(num, size) {
var s = num+"";
while (s.length < size) s = "0" + s;
return s;
}
padLeadingZeros(57, 3);// "057"
padLeadingZeros(57, 4); //"0057"javascript print int with leading zeros
function padLeadingZeros(num, size) {
var s = num+"";
while (s.length < size) s = "0" + s;
return s;
}
padLeadingZeros(57, 3);// "057"
padLeadingZeros(57, 4); //"0057"string padStart padEnd
let string = ‘Alice’;
// padStart() — we assume our string needs to have 10 characters
string.padStart(10, ‘o’); // returns ‘oooooAlice’
// padEnd()
string.padEnd(10, ‘o’); // returns ‘Aliceooooo’;js number padding to number of characters
var n = 123
String("00000" + n).slice(-5); // returns 00123
("00000" + n).slice(-5); // returns 00123
(" " + n).slice(-5); // returns " 123" (with two spaces)Copyright © 2021 Codeinu
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