function capitalize( str ) {
    return str.charAt(0).toUpperCase() + str.slice(1);
}

function toHeader(array){
    let resultat = document.createElement("tr");

    for(let i = 0; i < array.length ; i++ ){
        let cell = document.createElement("th");
        cell.innerText = array[i];
        resultat.appendChild( cell );
    }
    return resultat;
}

function characterToLine(){
    let line = document.CreateElement('td');
    let cell = document.CreateElement('tr');
}

function display(html_id, data){
    let anchor = document.getElementById( html_id ) ;
    let resultat = document.createElement( "table" );

    let header = toHeader( Object.keys(data) );

    for(let i = 0 ; i < data.length ; i++){
    }
    html_id.appendChild( resultat );
}

function setElementValue( elem, value ){
    elem.style.transitionDuration = "0s";
    elem.style.backgroundColor = "red";
    elem.style.color = "white";
    elem.value = value ;
    window.setTimeout(() => {
	elem.style.transitionDuration = "7s";
	elem.style.backgroundColor = "inherit";
	elem.style.color = "inherit";
    }, 1000);
}