vue怎么替换空格

export default {methods: {copy(value) {try{const textarea = document.createElement("textarea");document.body.appendChild(textarea);//添加到body中textarea.value = value;//给dom设置值textarea.select();//设置选中const copyFalse = document.execCommand("copy", false);if(copyFalse){this.alert("复制成功");}else{this.alert("复制失败");}textarea.remove();//用完移除dom} catch {this.alert("复制失败")}}}}

//原始字符串var string = "欢迎访问!\r\nchifanlema.com";//替换所有的换行符string = string.replace(/\r\n/g,"<br>")string = string.replace(/\n/g,"<br>"); //替换所有的空格（中文空格、英文空格都会被替换）string = string.replace(/\s/g," "); //输出转换后的字符串console.log(string);

//原始字符串var string = "欢迎访问!\r\nchifanlema.com    "; //去掉所有的换行符string = string.replace(/\r\n/g,"")string = string.replace(/\n/g,""); //去掉所有的空格（中文空格、英文空格都会被替换）string = string.replace(/\s/g,""); //输出转换后的字符串console.log(string);