表单中过滤数字以外的字符

blur后替换

<input type="text" name="market_price" id="market_price"
           onblur="this.value=isNaN(this.value*1)?0:this.value*1" maxlength="10"
           value="<{if $de.market_price}> <{$de.market_price}> <{else}> 0.00 <{/if}>"/> 元

输入asf.fi3  结果0

输入后立马替换

<input maxlength="8" id="amount" name="amount" type="text" value="<{$de.stock}>"           onkeyup="value=value.replace(/[^\d]/g,'')"           onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))"/>