JSFiddle - React, Tailwind, and code Playground

by mjmitche

JavaScript

Array.prototype.longestElement = function() {
    var maxLength = 0;
    for (var i=0; i < this.length; i++) {
        if (this[i].toString().length > maxLength)
            maxLength = this[i].toString().length;
    }
    return maxLength;
}

var testArray = new Array(0,1, "test", "big string", new Date());
alert(testArray.longestElement());