PadEnd & PadStart
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function padEnd (str, length, padStr = ' ') {
if (str.length < length) {
let rem = length - str.length;
if (rem > padStr.length) {
let temp = str + padStr;
while (temp.length < length) {
temp += padStr;
}
if (temp.length > length) {
return temp.substring(0, length);
}
return temp;
} else {
return str + padStr.substring(0, rem.length);
}
}
return str;
}
function padStart (str, length, padStr = ' ') {
if (str.length < length) {
let rem = length - str.length;
if (rem > padStr.length) {
let temp = padStr;
while (temp.length < rem) {
temp += padStr;
}
if (temp.length > rem) {
return temp.substring(0, rem) + str;
}
return temp + str;
} else {
return padStr.substring(0, rem.length - str.length) + str;
}
}
return str;
}
let myStr = "_bob_";
let pad = "wow";
let str1 = padStart(myStr, 10, pad);
let str2 = padEnd(myStr, 10, pad);
console.log(str1);
console.log(str2);
JavaScript
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