JSFiddle - React, Tailwind, and code Playground

JavaScript

var props = [
        { key:"p1", value:"a"},   
        { key:"p2", value:"b"},   
        { key:"p3", value:"c"},   
    ];
    
    for (var i = 0; i< props.length; i++){
        alert(props[i].key + " = " + props[i].value);
    }    
    
    props.forEach(function(prop){alert(prop.key + " = " + prop.value)});