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in Technique[技术] by (71.8m points)

函数作为函数的参数如何传递

function a1(str){
    alert(str)
}

function success(a){
    alert(0)
    a1();
}


success(a1(str))

大概就是函数作为函数的参数 如何将函数的参数str传递

success(a1(str))这样写会先执行a1(str) 会先alert(0)


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0 votes
by (71.8m points)

只需要记住2点:

  1. 函数作为参数传递只写函数名

  2. 函数名后面加括号表示执行函数


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