在 JavaScript 中按顺序删除字符串中的所有字符

Question

I want to delete characters in a string every time an event happens (button click) in Javascript.每次在 Javascript 中发生事件（单击按钮）时，我都想删除字符串中的字符。

for example:例如：

str = "world";

the word would change in each step as follows:这个词在每一步都会改变如下：

Answer 1

You can use the String.slice(N) to remove the first N characters from a string您可以使用String.slice(N)从字符串中删除前N个字符

Here what you can do:在这里你可以做什么：

<button id="my_button">WORLD</button>

document.querySelector("#my_button").addEventListener('click', function() {
    this.innerText = this.innerText.slice(1)
});

Answer 2

You could use This Function你可以使用这个 Function

function deleteString(value){
   return value.substring(1);
} 
str = deleteString(str)