[英]javascript hide test/pictures
我用它从抽认卡中隐藏我的答案。 但是,当我启动网页时,所有答案都会显示出来,我必须手动隐藏它们。 启动或打开网页时,如何隐藏所有内容。
我需要隐藏答案
function myShowText(id) {
document.querySelector('#' + id + ' .answer').style.color = 'black';
}
function myHideText(id) {
document.querySelector('#' + id + ' .answer').style.color = 'white';
}
.answer {
border-style: solid;
border-color: #287EC7;
color: white;
}
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title> Flashcards VBA </title>
<rel="stylesheet" href="css/styles.css">
</head>
<body>
<script src="js/scripts.js"></script>
<h3> Flashcards </h3>
<p class="question">
The first question
</p>
<div id="bash_start">
<p class="answer">
<img src="image.jpg">
</p>
</div>
</body>
</html>
只需添加display: none
css中display: none
。
.answer {
border-style: solid;
border-color: #287EC7;
color: white;
display: none;
}
隐藏window.onload
上的答案
window.onload=function(){
document.querySelector('.answer').style.visibility = "hidden";
}
window.onload=function(){ document.querySelector('.answer').style.visibility = "hidden"; } function myShowText(id) { document.querySelector('#' + id + ' .answer').style.color = 'black'; } function myHideText(id) { document.querySelector('#' + id + ' .answer').style.color = 'white'; }
.answer { border-style: solid; border-color: #287EC7; color: white; }
<html lang="en"> <body> <script src="js/scripts.js"></script> <h3> Flashcards </h3> <p class="question"> The first question </p> <div id="bash_start"> <p class="answer"> <img src="image.jpg"> </p> </div> </body> </html>
您可以尝试以下代码。 hideAnswers()应该在页面开始脚本中调用。 然后您可以使用showAnswers()显示答案
function hideAnswers(){
var answers = document.getElementsByClassName("answer");
var answer;
for(var i = 0; i <= answers.length-1; i++){
answer = answers[i];
answer.style.visibility = "hidden";
}
}
function showAnswers(){
var answers = document.getElementsByClassName("answer");
var answer;
for(var i = 0; i <= answers.length-1; i++){
answer = answers[i];
answer.style.visibility = "visible";
}
}
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