Equivalence in javascript of $name_function();

Question

I want to create the name of my function javascript when load in browser and run it.

I want the equivalence of this php's code :

<?php

$name_function = 'toto';

function toto() {
    echo 'toto';
}


$name_function();

?>

My eval : the evil :)

var chaine = 'TabToto';
var store = chaine.substr(3,chaine.length);
eval ('store = this.get'+store+'Store()');

Ok , what i want :

var chaine = 'TabToto';
var store = 'get'+chaine.substr(3,chaine.length)+'Store';

store = this[store]();

My controller create a function to get a store and i want to use it ...

Sounds as if you're Doing It Wrong... – thejh Jun 09 '13 at 20:03 — thejh, Jun 09 '13 at 20:03

Eric Hotinger · Answer 1 · 2013-06-09T20:00:55.227

4

function toto()
{
    alert('toto');
}

var name_function  = 'toto';
window[name_function]();

(assuming this is in global scope)

edited Jun 09 '13 at 20:00

answered Jun 09 '13 at 19:55

Eric Hotinger

8,957
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and if my function is in me (this.getTotoStore) ? – VincentDA Jun 09 '13 at 20:04
2

Just avoid eval so you don't get into XSS problems. In general, just use scope[myFunctionName]. – Eric Hotinger Jun 09 '13 at 20:12
Thx this[my_function_name] is ok! – VincentDA Jun 09 '13 at 20:21
Awesome. Glad it worked out for you. – Eric Hotinger Jun 09 '13 at 20:24

score 3 · Answer 2 · answered Jun 09 '13 at 20:14

3

Instead of providing the name of the function as a string, you can also assign a reference to the function itself to a variable.

That would look like this:

function toto() {
    alert('toto');
}
function toto2() {
    alert('toto 2');
}

var function_to_use = toto;   // notice the lack of quotes
function_to_use();

function_to_use = toto2;
function_to_use();

answered Jun 09 '13 at 20:14

jcsanyi

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not really what i want – VincentDA Jun 09 '13 at 20:27

score 0 · Answer 3 · answered Jun 09 '13 at 22:43

0

i have done like this

function a(){
alert(1);

}
var aa=a;

 aa();

answered Jun 09 '13 at 22:43

sharif2008

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Equivalence in javascript of $name_function();

3 Answers3