题解 | #单向绑定#
单向绑定
https://www.nowcoder.com/practice/728b83e2b9b948dbababcc4a494eefc3
document.querySelector("#input").onchange= function () { document.querySelector("#span").innerHTML = this.value; }
单向绑定
https://www.nowcoder.com/practice/728b83e2b9b948dbababcc4a494eefc3
document.querySelector("#input").onchange= function () { document.querySelector("#span").innerHTML = this.value; }
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