从字段元素获取内容
代码示例
js从表单输入中获取值
// having form like this
<form>
<div>
<label for="number">Give me number</label>
<input type="number" id="number">
</div>
<div>
<button class="btn">Click</button>
</div>
</form>
// this is how u get a value (number)
document.querySelector("form").addEventListener("submit", get_number);
function get_number(e){
const n = document.getElementById("number").value;
console.log('n:', n)
e.preventDefault();
}
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