如何单击ID中包含伪造者中冒号的元素?

时间:2019-03-22 08:13:19

标签: puppeteer

按钮的ID为my:very:beautiful:button

<input id="my:very:beautiful:button" type="image" src="https://xxx/search_off.gif" name="my:very:beautiful:button" onmouseout="imgOff('searchBttn', this)" onmouseover="imgOn('searchBttn', this)" class="btn searchBttn" onclick="doSubmit(this, 'clearBttn')">

在操纵up中,我尝试单击此按钮是:

await page.click('#my\:very\:beautiful\:button');

投掷:

Error: Evaluation failed: DOMException: Failed to execute 'querySelector' on 'Document': '#my:very:beautiful:button' is not a valid selector.

带有双转义字符:

await page.click('#my\\:very\\:beautiful\\:button');

投掷:

Error: No node found for selector: #my\:very\:beautiful\:button

我认为问题是冒号。有任何想法如何点击它吗?

2 个答案:

答案 0 :(得分:0)

“双重转义”有效。结肠应该不是问题。

问题很可能是该元素还没有被渲染。要等待元素首先被渲染,可以使用函数this document,如下所示:

const selector = '#my\\:very\\:beautiful\\:button';
await page.waitForSelector(selector);
await page.click(selector);

答案 1 :(得分:0)

您可以尝试使用属性选择器:

await page.click('[id="my:very:beautiful:button"]');
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