randomUUID.js是一个非常小的JavaScript UUIDs（Universally Unique Identifier）生成器。生成的ID串类似于：<SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 14px 'Courier New'; TEXT-TRANSFORM: none; COLOR: rgb(119,119,119); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; TEXT-ALIGN: justify; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0">AFF147E4-5BB1-448E-B55D-0A834ADE3124</SPAN>。