js弹出图片代码

function openImage(url) {
    window.open(url, '_blank', 'width=600,height=400');
}

// 使用方法：点击按钮时弹出图片
document.getElementById('openImageButton').addEventListener('click', function() {
    openImage('path/to/your/image.jpg');
});

<button id="openImageButton">打开图片</button>

<div id="myModal" class="modal">
    <span class="close">&times;</span>
    <img class="modal-content" id="modalImage">
    <div id="caption"></div>
</div>
<button id="openImageButton">打开图片</button>

.modal {
    display: none; /* 默认隐藏 */
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

var modal = document.getElementById("myModal");
var img = document.getElementById("modalImage");
var captionText = document.getElementById("caption");
var span = document.getElementsByClassName("close")[0];

document.getElementById('openImageButton').addEventListener('click', function() {
    modal.style.display = "block";
    img.src = 'path/to/your/image.jpg';
    captionText.innerHTML = "图片标题";
});

span.onclick = function() {
    modal.style.display = "none";
}

window.onclick = function(event) {
    if (event.target == modal) {
        modal.style.display = "none";
    }
}