<input type="text" placeholder="请输入您的年龄" id="age"
onkeyup="if(this.value.length==1){this.value=this.value.replace(/[^1-9]/g,'')}else{this.value=this.value.replace(/\D/g,'')}"
onafterpaste="if(this.value.length==1){this.value=this.value.replace(/[^1-9]/g,'')}else{this.value=this.value.replace(/\D/g,'')}"/>
input标签限制输入,只能为数字
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转载自blog.csdn.net/qq_42310995/article/details/83615735
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