javascript max character limit code example

Example 1: limit characters display javascript

var str = 'Some very long string';
if(str.length > 10) str = str.substring(0,10);

Example 2: javascript set max length of string

String.prototype.trimEllip = function (length) {
  return this.length > length ? this.substring(0, length) + "..." : this;
}

Example 3: max char js

function maxChar(str) {
  let charCountObj = {};
  let maxChar = "";
  let maxCount = 0;

  //  Fill out CharCountObj
  //  Updates new MaxCount

  for (let i = 0; i < str.length; i++) {
    const char = str[i];

    charCountObj[char] = charCountObj[char] + 1 || 1;

    if (charCountObj[char] > maxCount) {
      maxChar = char;
      maxCount = charCountObj[char];
    }
  }

  return maxChar;
}