setSlideIFrame = ( frameId, frameObject ) => {
    let element = document.getElementById(frameId);
    for(let property in frameObject) {
        if(frameObject.hasOwnProperty(property)) {
            setTimeout(() => {
                element.setAttribute("src", frameObject[property].source);
            },  frameObject[property].time);
        }
    }
}
var myFrameObject = {
    0: {
        source: 'aaa/aaa1.php',
        time: 10
    },
    1: {
        source: 'aaa/aaa2.php',
        time: 20
    },
    2: {
        source: 'aaa/aaa3.php',
        time: 30
    }
};
setSlideIFrame('iframeIDsi', myFrameObject);