options.async=options.async.toLowerCase()=='false'?false:true;在phpstorm有個報錯? ? ? ? 'options.async.toLowerCase()=='false'?false:true' can be simplified to ? ?'options.async.toLowerCase()!='false'' 更少... ? ?(Ctrl+F1)This inspection reports any instances of JavaScript conditional ? ? ?expressions of the form condition?true:false ? ? ?or condition?false:true. ? ? ?These expressions may be safely simplified to condition ? ? ?or !condition , respectively.?所以隨便問