1. 程式人生 > >$("#id")&&document.getElementById("id")

$("#id")&&document.getElementById("id")

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$("#id")=document.getElementById("id")

document.getElementById("schemaId").style.display="table-row"; 
 $("#schemaId").style.display="table-row"; 

<tr id="schemaId" style="display: none">

$("#id")&&document.getElementById("id")