JS 循环遍历刷新

let flag = true
 let timmer = setInterval(()=> {
    if(!flag){
        // console.log('end~~~');
        clearInterval(timmer)
    }
    else {
        let width =  $(".markdown-body img").css('width')
        // console.log(width)
        if(width !==imgWidth) {
            $(".markdown-body img").css("width",imgWidth);
            flag = false;
        }
    }
},300)