How you can display icons on views in Dynamics 365 entities

Here is the snippet how to display icons in a row in Dynamics 365.

//-------------------------------------------------------
// DIsplay icon for Fields in Row in D365
//----------------------------------------------------------
function displayIconTooltip(rowData, userLCID) {      
    var str = JSON.parse(rowData);  
    var coldata = str.cr375_subject_Value;  
    var imgName = "";  
    var tooltip = "";  
    switch (parseInt(coldata,10)) { 
        case 720450000:  
            imgName = "new_math";  
            switch (userLCID) {  
                case 1036:  
                    tooltip = "French: Math";  
                    break;  
                default:  
                    tooltip = "Math";  
                    break;  
            }  
            break;  
        case 720450001:  
            imgName = "new_computer";  
            switch (userLCID) {  
                case 1036:  
                    tooltip = "French: Computer";  
                    break;  
                default:  
                    tooltip = "Computer";  
                    break;  
            }  
            break;  
        case 720450002:  
            imgName = "new_science";  
            switch (userLCID) {  
                case 1036:  
                    tooltip = "French: OppScience";  
                    break;  
                default:  
                    tooltip = "Science";  
                    break;  
            }  
            break;  
        default:  
            imgName = "";  
            tooltip = "";  
            break;  
    }  
    var resultarray = [imgName, tooltip];  
    return resultarray;  
}