HTML输入框绑定JS变量
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如何在HTML输入中应用JS变量？，怎么实现？
var bioInput = document.getElementById(‘bio’); var countSpan = document.getElementById(‘charCount’); bioInput.addEventListener(‘input’, function() { var len……
var bioInput = document.getElementById(‘bio’); var countSpan = document.getElementById(‘charCount’); bioInput.addEventListener(‘input’, function() { var len……
