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javascript计算错误_Javascript_Php - Fatal编程技术网

javascript计算错误

javascript计算错误,javascript,php,Javascript,Php,我有javascript代码,但是当additional1变量、additional2和additional3中没有附加值时。为什么更新数据库时可以添加0的值多达3位?请帮忙。谢谢 var loadFile=functionevent{ var output=document.getElementById'output'; output.src=URL.createObjectURLevent.target.files[0]; }; 函数检查TotalTambahan{ var-kontrib

我有javascript代码,但是当additional1变量、additional2和additional3中没有附加值时。为什么更新数据库时可以添加0的值多达3位?请帮忙。谢谢

var loadFile=functionevent{ var output=document.getElementById'output'; output.src=URL.createObjectURLevent.target.files[0]; }; 函数检查TotalTambahan{ var-kontrib=0; var tambah1=0; var tambah2=0; var tambah3=0; var tambahtot=0; ifdocument.getElementByIdbesaran\u Kontribasi\u inv.value=={ kontrib=0; } 否则{ kontrib=parseIntdocument.getElementByIdbesaran_Kontribsi_inv.value.replace/,/g; } ifdocument.getElementByIdbesar_tambahan1.value=={ tambah1=0; } 否则{ tambah1=parseIntdocument.getElementByIdbesar_tambahan1.value.replace/,/g; } ifdocument.getElementByIdbesar_tambahan2.value=={ tambah2=0; } 否则{ tambah2=parseIntdocument.getElementByIdbesar_tambahan2.value.replace/,/g; } ifdocument.getElementByIdbesar_tambahan3.value=={ tambah3=0; } 否则{ tambah3=parseIntdocument.getElementByIdbesar_tambahan3.value.replace/,/g; } tambahtot=kontrib+tambah1+tambah2+tambah3; document.getElementByIdtotal_tambahan.value=tambahtot; }