js truncate string code example

Example 1: How to make string shorter javascript

const string = "Name".slice(0, 250).concat('...');
const string2 = "Name".substring(0, 250).concat('...');

Example 2: javascript truncate string

var string = "ABCDEFG";
var truncString = string.substring(0, 3); //Only keep the first 3 characters
console.log(truncString); //output: "ABC"

Example 3: truncate javascript

function truncateString(str, num) {
  if (num > str.length){
    return str;
  } else{
    str = str.substring(0,num);
    return str+"...";
  }

}

res = truncateString("A-tisket a-tasket A green and yellow basket", 11);
alert(res)

Example 4: javascript check if string is number

function isNumeric(num){
  return !isNaN(num)
}
isNumeric("23.33"); //true, checking if string is a number.

Example 5: javascript truncate array

array.slice(0, 4);

Example 6: how to truncate string in javascript

function truncateString(str, num) {
  if (str.length > num) {
    return str.slice(0, num) + "...";
  } else {
    return str;
  }
}