JSFiddle - React, Tailwind, and code Playground

JavaScript

var unique = function(origArr) {
    var newArray = [],
        origLen = origArr.length,
        found,
        x = 0; y = 0;
        
    for ( x = 0; x < origLen; x++ ) {
        found = undefined;
        for ( y = 0; y < newArray.length; y++ ) {
            if ( origArr[x] === newArray[y] ) found = true;
        }
        if ( !found) newArray.push( origArr[x] );    
    }
   return newArray;
}

var myarray = ['jeffrey', 'Lakshman', '1150','1150','1150','allie','joe','joe', 'patty', 'damon', 'zach', 'jeffrey','1150','1150','1150','allie','joe','joe', 'patty','1150','1150','1150','allie','joe','joe', 'patty', 'damon', 'zach', 'jeffrey','1150','1150','1150','allie','joe','joe', 'patty', '1105','1150','1150','1150','1150','Lakshman','1150','1150','allie','joe','joe', 'patty','allie','joe','joe', 'patty', 'allie', 'patty', '2340', 'damon', 'zach', 'joe', '2340'];
myarray = unique(myarray);
document.write(myarray);