[英]How to change tag value on any web site
There is a website that contains this code 有一个包含此代码的网站
<div id = "agreement_btn" class = "agreement_form button" gt-form-status = "">
I want to adjust the value of the tag ((gt-form-status)) So that in the end: 我想调整标签的值((gt-form-status))这样到底:
<div id = "agreement_btn" class = "agreement_form button" gt-form-status = "signed">
By creating a Bookmarklet that starts with javascript: .... 通过创建以javascript开头的Bookmarklet:....
Can I do this? 我可以这样做吗? Greetings
问候
You can use Element.setAttribute
to set a non-existent attribute on an Element. 您可以使用
Element.setAttribute
在Element上设置不存在的属性。
document.querySelector('#agreement_btn').setAttribute('gt-form-status', 'signed');
var element = document.querySelector('#agreement_btn'); console.log('element before setAttribute:', element.outerHTML); element.setAttribute('gt-form-status', 'signed'); console.log('element after setAttribute:', element.outerHTML);
<div id = "agreement_btn" class = "agreement_form button" gt-form-status = ""></div>
However, it is better practice to use data-attributes in case some attributes you use get standardized later. 但是,最好使用数据属性,以防您使用的某些属性在以后标准化。
var element = document.querySelector('#agreement_btn'); console.log('element before set attribute:', element.outerHTML); element.dataset.gtFormStatus = "signed"; console.log('element after set attribute:', element.outerHTML);
<div id = "agreement_btn" class = "agreement_form button" data-gt-form-status = ""></div>
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