[英]making text bold with document.execCommand() makes page refresh
What I am trying to do 我要做什么
I am trying to make some text bold when I click the bold button. 单击粗体按钮时,我试图使某些文本变为粗体。 This triggers a function which calls the execCommand function... unfortunately when I click the button the whole page refreshed and I lose all my text inside the iframe. 这会触发一个调用execCommand函数的函数...不幸的是,当我单击按钮时,整个页面都刷新了,并且我在iframe中丢失了所有文本。
I can see the text go bold for a split second and then the page reloads. 我可以看到文本变为黑体,然后重新加载页面。
My Code 我的密码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
</head>
<body onLoad="enableEditMode();">
<div class="container">
<div class="row">
<div class="col-md-6 col-md-offset-3">
<h2>My Text Editor</h2>
<form class="" action="index.html" method="post">
<div class="form-group">
<label for="title">Title</label>
<input class="form-control" type="title" name="title" value="">
</div>
<div class="form-group">
<div class="" id="toolbar">
<button onClick="execCmd('bold')"><i class="fa fa-bold"></i></button>
</div>
<iframe class="form-control" src="" width="" height="" name="richTextField" style="width:100%;height:100%"></iframe>
</div>
<button class="btn btn-default btn-block" type="submit" name="button">Go!</button>
</form>
</div>
</div>
</div>
<script>
/**
*
*/
function enableEditMode(){
richTextField.document.designMode = 'On';
}
/**
*
*/
function execCmd(command){
richTextField.document.execCommand(command, false, null);
}
</script>
</body>
</html>
My Question 我的问题
How do I make my text bold here and preserve my text? 如何在此处使文本加粗并保存文本?
找到了我的答案:只需在按钮上添加一种类型,以防止它们自动提交表单。
<button onClick="execCmd('bold')" type="button"><i class="fa fa-bold"></i></button>
I think the use is wrong you could firstly set a variable 我认为使用是错误的,您可以先设置一个变量
var rtField = document.getElemetByID('richTextField')
please not in the function ! 请不要在功能上! than add an eventlistener to the button which changes the text 比在按钮上添加事件监听器来更改文本
var btn = document.getElementByID('button')
btn.addEventListener('click', function (event) {
rtField.style.fontWeight = 'bold';
}
should work. 应该管用。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.