如何通过 JavaScript 更改 FontSize？
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How to change FontSize By JavaScript?
提问by jams
This code is not working
此代码不起作用
var span = document.getElementById("span");
span.style.fontsize = "25px";
span.innerHTML = "String";
回答by ambiguousmouse
JavaScript is case sensitive.
JavaScript 区分大小写。
So, if you want to change the font size, you have to go:
所以，如果你想改变字体大小，你必须去：
span.style.fontSize = "25px";
回答by Mark
<span id="span">HOI</span>
<script>
var span = document.getElementById("span");
console.log(span);
span.style.fontSize = "25px";
span.innerHTML = "String";
</script>
You have two errors in your code:
您的代码中有两个错误：
document.getElementById- This retrieves the element with an Id that is "span", you did not specify an id on the span-element.Capitals in Javascript - Also you forgot the capital of Size.
document.getElementById- 这将检索 ID 为“span”的元素，您没有在 span 元素上指定 ID。Javascript 中的大写字母 - 你也忘记了 Size 的大写字母。
回答by Naftali aka Neal
try this:
尝试这个：
var span = document.getElementById("span");
span.style.fontSize = "25px";
span.innerHTML = "String";
回答by tibalt
Please never do this in real projects:
请不要在实际项目中这样做：
document.getElementById("span").innerHTML = "String".fontsize(25);<span id="span"></span>