今天在写轮播图下面按钮绑定对应图片时这样写的
for(var i = 0 ; i < img_contents.length ; i ++){
clicks[i].addEventListener( "click" ,function(){
slide_img.style.marginLeft = -imgWidth * i + "px"
})
}
for(var i = 0 ;今天在写轮播图下面按钮绑定对应图片时这样写的
for(var i = 0 ; i < img_contents.length ; i ++){
clicks[i].addEventListener( "click" ,function(){
slide_img.style.marginLeft = -imgWidth * i + "px"
})
}
for(var i = 0 ;