判断select选项中 是否存在Value="paraValue"的Item // 1.判断select选项中 是否存在Value="paraValue"的Item function jsSelectIsExitItem(objSelect, objItemValue) { var isExit = false; for (var i = 0; i < objSelect.options.length; i++) { if (objSelect.option…
JS中Float类型加减乘除 修复 MXS&Vincene ─╄OvЁ &0000027─╄OvЁ MXS&Vincene MXS&Vincene ─╄OvЁ:今天很残酷,明天更残酷,后天很美好,但是绝大部分人是死在明天晚上,只有那些真正的英雄才能见到后天的太阳. MXS&Vincene ─╄OvЁ:We're here to put a dent in the universe. Otherwise why else even be here? 正文…