jquery trim() 功能源代码
实现代码如下:// Used for trimming whitespace trimLeft = /^\s+/, trimRight = /\s+$/, // Use native String.trim function wherever possible trim: trim ? functi
实现代码如下:// Used for trimming whitespace trimLeft = /^\s+/, trimRight = /\s+$/, // Use native String.trim function wherever possible trim: trim ? functi