gethighestz.js

function getHighestZ() {
    let highestZ = 0;
    const elements = document.querySelectorAll('*');
    
    elements.forEach(element => {
        const style = getComputedStyle(element);
        const zIndex = (style.zIndex) ? parseInt(style.zIndex) : 0;
        
        if (zIndex > highestZ) {
            highestZ = zIndex;
        }
    });
    
    return highestZ;
}