包装字符串中所有出现的单词

Question

I'm trying to wrap a word with span from the given string here's what I tried

 var $word = document.querySelector('div'); var $keyword = 'test'; var wrap_word = $word.textContent.replace(new RegExp('(' + $keyword + ')'), '<span style="color:red;font-weight:bold;">$1</span>'); $word.innerHTML = wrap_word; 

 <div>test yeah this is a test</div> 

but only one were wrapped, the rest were not. Any help, ideas please?

Answer 1

向RegEx添加“全局”修饰符

new RegExp('(' + $keyword + ')', "g");