使用javascript在div中突出显示单词 [英] highlight word in div using javascript
问题描述
您必须在我的项目中实现查找和替换功能。在此功能中，contenteditable div顶部有一个查找和替换按钮。当用户点击这个按钮时，弹出窗口会打开并在指定单词时询问搜索单词，然后按查找它只会在该div中找到单词。如果匹配发现它会突出显示该单词。所以有人告诉我，我怎样才能突出显示单词在div中。请紧急。
hi i have to implement find and replace functionality in my project. in this functionality there is one find and replace button on the top of contenteditable div. when user click on this button, popup window will open and ask for the search word when specify word and press find it will find word in that div only. and if match found it will highlight that word. so anybody tell me how can i highlight word in div. its urgent so please . thank you.
<div id="test" contenteditable="true">
this is test <font class='classname'> some text test</font>
</div>
我想高亮只测试单词而非其他
i want to high light only test word not else
推荐答案
使用原型库实际上非常简单：
Its actually pretty easy using the prototype library:
<html>
<head>
<style type="text/css">
#content span {
background-color: yellow;
}
</style>
<script type="text/javascript" src="prototype.js"></script>
<script type="text/javascript">
Event.observe(window,'load',function(){
var htm = $('content').innerHTML;
$('content').innerHTML = htm.sub('my','<span>my</span>');
});
</script>
</head>
<body>
<div id="content">
This is the div containing my content.
</div>
</body>
</html>
这应该让你开始，所以你可以实现其余的。
This should get you started so you can implement the rest.
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