bbh-pc/index.js

let imgSizeAuto = function(){
    let viewHeight = document.body.offsetHeight;
    let viewWidth = document.body.offsetWidth;
    let imgEles = document.getElementsByClassName('img');
    let fontsize,ratefont = 0.259;
    if(viewWidth <= 1450){
        let rateHs = [0.047,0.113,0.069,0.089,0.089,0.089];
        let rateWs = [0.297,0.263,0.391,0.139,0.139,0.139] 
        
        for(let i = 0; i < imgEles.length; i++){
            if(i <= rateHs.length){
                let newWidth = viewWidth * rateWs[i];
                imgEles[i].width = newWidth;
                // console.log(imgEles[i].width);
            }
            if(i == 3){
                fontsize = ratefont * imgEles[i].height;
                console.log(fontsize);
            }
        }
    
        let buttons = document.getElementsByClassName('buttons');
        for(let b of buttons){
            b.style.fontSize = fontsize + 'px';
        }
    }else{
        let buttons = document.getElementsByClassName('buttons');
        for(let b of buttons){
            b.style.fontSize = '22px';
        }
    }

}
imgSizeAuto();
window.onresize = imgSizeAuto;