将js方法名作为参数传给js方法

2024-08-29 02:22:09

1，demo1：参数function无参

<script>

function fun1(){

    fun3('fun4');

}

function fun2(){

    fun3('fun5');

}

function fun3(fun){

     eval(fun+'()');

}

function fun4(){

    alert("fun4")

}

function fun5(){

    alert("fun5")

}

</script>

<button onclick="fun1()">button1</button>

<button onclick="fun2()">button2</button>

2，demo2：参数function有参

<script>

function fun1(){

    fun3('fun4',"param4");

}

function fun2(){

    fun3('fun5',"param5");

}

function fun3(fun,param){

     eval(fun+'("'+param+'")');

}

function fun4(param){

    alert(param)

}

function fun5(param){

    alert(param)

}

</script>

    <button onclick="fun1()">button1</button>

    <button onclick="fun2()">button2</button>

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