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How to replace spaces in vue

藏色散人

Dec 22, 2022 am 09:40 AM

vuespace

Vue implements the method of replacing spaces: 1. Create a vue sample file; 2. Replace all spaces through the regular expression "string = string.replace(/\s/g," ");"; 3. Use "console.log(string);" to output the replaced string.

How to replace spaces in vue

#The operating environment of this tutorial: Windows 10 system, Vue version 3, Dell G3 computer.

How to replace spaces in vue?

vue: Replace spaces in the string in the copy function, remove newline characters \r\n or \n

1: Copy function

export default {
methods: {
copy(value) {
try{
const textarea = document.createElement(&#39;textarea&#39;);
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(&#39;copy&#39;, false);
if(copyFalse){
this.alert(&#39;复制成功&#39;);
}else{
this.alert(&#39;复制失败&#39;);
}
textarea.remove();//用完移除dom
} catch {
this.alert(&#39;复制失败&#39;)
}
}
}
}

2: Replace the spaces, line feeds \r\n or \n in the string

In order to display the carriage return and line feed characters correctly, you need to replace \n or \r\n with . Likewise, replace spaces with . Here we replace it with regular expressions.

1. Replace all spaces, carriage returns and line feeds

//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);

2. Remove all spaces, carriage returns and line feeds

//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);

Recommended learning: "vue .js video tutorial》

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