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Javascript JS中无特殊字符编码的渲染_Javascript_Html_Char - Fatal编程技术网

Javascript JS中无特殊字符编码的渲染

Javascript JS中无特殊字符编码的渲染,javascript,html,char,Javascript,Html,Char,我有字符串“你好吗%3F”,其中“%3F”表示一个问号。在Javascript中将其添加到HTMl元素中以使其呈现人类可读性时,如何将其转换回“?”?它需要为所有被禁止的字符工作,例如“ var t = document.createTextNode("how are you%3F"); decodeURIComponent("how are you%3F");

我有字符串“你好吗%3F”,其中“%3F”表示一个问号。在Javascript中将其添加到HTMl元素中以使其呈现人类可读性时,如何将其转换回“?”?它需要为所有被禁止的字符工作,例如“
var t = document.createTextNode("how are you%3F"); 
decodeURIComponent("how are you%3F");