random Key in js code example

Example 1: javascript generate random string

// Generate a random alphanumerical string of length 11 ( change substring parameter for other length)
Math.random().toString(36).substring(2);

Example 2: random alphabet javascript

Math.random().toString(36).substr(2, 5);

Example 3: js object random key

var randomProperty = function (obj) {
    var keys = Object.keys(obj);
    return obj[keys[ keys.length * Math.random() << 0]];
};