头歌Educoder-字符串字面量

function mainJs(a) {
    a = a.replace(",","\n");
	//请在此处编写代码
	/********** Begin **********/
     var pattern = /js+[^%&',;=?$\x22]/;
    
    
	/********** End **********/
    return pattern.test(a).toString();
}

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