jQuery IF Value等于Show Else Show

Question

我试图从输入中获取值,如果值= 1,2,3 ...显示内容,如果value = 4,5,6 ...显示其他内容.我几乎让它工作然后有些东西坏了.多年来我一直在玩这个.任何人都可以快速查看并指出我打破它的地方.

var amount = $(".quantity-wrapper > .input-text").val();
    if(amount = '1') {
        $('.product-addon-one-attendee').show();
    }
    if(amount = '2'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
    } 
    if(amount = '3'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
    } 
    if(amount = '4'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
    } 
    if(amount = '5'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
        $('.product-addon-five-attendees').show();
    }
    if(amount = '6'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
        $('.product-addon-five-attendees').show();
        $('.product-addon-six-attendees').show();
    }
    if(amount = '7'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
        $('.product-addon-five-attendees').show();
        $('.product-addon-six-attendees').show();
        $('.product-addon-seven-attendees').show();
    }
    if(amount = '8'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
        $('.product-addon-five-attendees').show();
        $('.product-addon-six-attendees').show();
        $('.product-addon-seven-attendees').show();
        $('.product-addon-eight-attendees').show();
    }
    if(amount = '9'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
        $('.product-addon-five-attendees').show();
        $('.product-addon-six-attendees').show();
        $('.product-addon-seven-attendees').show();
        $('.product-addon-eight-attendees').show();
        $('.product-addon-nine-attendees').show();
    }
    if(amount = '10'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
        $('.product-addon-five-attendees').show();
        $('.product-addon-six-attendees').show();
        $('.product-addon-seven-attendees').show();
        $('.product-addon-eight-attendees').show();
        $('.product-addon-nine-attendees').show();
        $('.product-addon-ten-attendees').show();
    }
    if(amount = '11'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
        $('.product-addon-five-attendees').show();
        $('.product-addon-six-attendees').show();
        $('.product-addon-seven-attendees').show();
        $('.product-addon-eight-attendees').show();
        $('.product-addon-nine-attendees').show();
        $('.product-addon-ten-attendees').show();
        $('.product-addon-eleven-attendees').show();
    }
    if(amount = '12'){
        $('.product-addon-one-attendee').show();
        $('.product-addon-two-attendees').show();
        $('.product-addon-three-attendees').show();
        $('.product-addon-four-attendees').show();
        $('.product-addon-five-attendees').show();
        $('.product-addon-six-attendees').show();
        $('.product-addon-seven-attendees').show();
        $('.product-addon-eight-attendees').show();
        $('.product-addon-nine-attendees').show();
        $('.product-addon-ten-attendees').show();
        $('.product-addon-eleven-attendees').show();
        $('.product-addon-twelve-attendees').show();
    }

Answer 1

if(amount = '8'){  // you forget ==

在某一方面的变化

if(amount == '8'){