如何使用Greasemonkey自动选择单选按钮? [英] How can I auto-select a radio button with Greasemonkey?

问题描述

我想用Greasemonkey选择自动单选按钮.但是我想选择带有标签名称的收音机. 当我看到四个单选按钮时，Greasemonkey需要选择我的选项. 示例:我要自动选择标签 Instagram .

I want select auto radio button with Greasemonkey. But I want select radio with label name. When I see that four radio button, Greasemonkey need select my option. Example: I want auto select label Instagram.

<label for="ContentPlaceHolder1_answer3">Instagram</label>

如何使用Greasemonkey选择此单选按钮?

How can I select this radio button with Greasemonkey?

<div class="row">
              <input type="radio" tabindex="3" value="answer1" name="ctl00$ContentPlaceHolder1$1" id="ContentPlaceHolder1_answer1"><label for="ContentPlaceHolder1_answer1">Twitpic</label></div>

<div class="row">
            <input type="radio" tabindex="4" value="answer2" name="ctl00$ContentPlaceHolder1$1" id="ContentPlaceHolder1_answer2"><label for="ContentPlaceHolder1_answer2">Yfrog</label></div>

<div class="row">
            <input type="radio" tabindex="5" value="answer3" name="ctl00$ContentPlaceHolder1$1" id="ContentPlaceHolder1_answer3"><label for="ContentPlaceHolder1_answer3">Instagram</label></div>

<div class="row">
            <input type="radio" tabindex="6" value="answer4" name="ctl00$ContentPlaceHolder1$1" id="ContentPlaceHolder1_answer4"><label for="ContentPlaceHolder1_answer4">Flickr</label></div>

 </div>

推荐答案

var labels = document.getElementsByTagName('label'); //get the labels
for (var i = 0; i < labels.length; ++i) { //loop through the labels
    if (labels[i].textContent == "Instagram") { //check label text
        labels[i].click(); //if correct text, click the label
    }
}

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