js 动态添加 radio

var radio=document.createElement('input')

radio.type="radio"

radio.name="radio1"

radio.value="学生"

radio.checked="checked"

document.body.appendChild(radio)

var radio=document.createElement('input') radio.type="radio" radio.name="radio1" radio.value="学生" radio.checked="checked" document.body.appendChild(radio)

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