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author | julieng <julien.gattelier@gmail.com> | 2021-08-03 08:03:09 +0200 |
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committer | SphinxKnight <SphinxKnight@users.noreply.github.com> | 2021-09-03 08:08:25 +0200 |
commit | 844f5103992238c0c23203286dad16a466e89c97 (patch) | |
tree | d537708951bb2b61be8192ffacc05a0ce6804f89 /files/fr/web/javascript/reference/operators/subtraction_assignment/index.md | |
parent | a70fd5b73ecb10bec3906640023e2a1a46e118a2 (diff) | |
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diff --git a/files/fr/web/javascript/reference/operators/subtraction_assignment/index.md b/files/fr/web/javascript/reference/operators/subtraction_assignment/index.md new file mode 100644 index 0000000000..ad67f469d6 --- /dev/null +++ b/files/fr/web/javascript/reference/operators/subtraction_assignment/index.md @@ -0,0 +1,49 @@ +--- +title: Affectation après soustraction (-=) +slug: Web/JavaScript/Reference/Operators/Subtraction_assignment +tags: + - Assignment operator + - JavaScript + - Language feature + - Operator + - Reference +browser-compat: javascript.operators.subtraction_assignment +translation-of: Web/JavaScript/Reference/Operators/Subtraction_assignment +--- +<div>{{jsSidebar("Operators")}}</div> + +<p>L'opérateur d'affectation après soustraction (<code>-=</code>) calcule la soustraction de l'opérande gauche par l'opérande droit puis affecte le résultat à la variable représentée par l'opérande gauche.</p> + +<div>{{EmbedInteractiveExample("pages/js/expressions-subtraction-assignment.html")}}</div> + +<h2 id="syntax">Syntaxe</h2> + +<pre class="brush: js"> +<strong>Opérateur :</strong> x -= y +<strong>Signification :</strong> x = x - y +</pre> + +<h2 id="examples">Exemples</h2> + +<h3 id="using_subtraction_assignment">Utiliser l'opérateur de soustraction et d'affectation</h3> + +<pre class="brush: js"> +let truc = 5; +truc -= 2; // 3 +truc -= 'toto'; // NaN +</pre> + +<h2 id="specifications">Spécifications</h2> + +<p>{{Specifications}}</p> + +<h2 id="browser_compatibility">Compatibilité des navigateurs</h2> + +<p>{{Compat}}</p> + +<h2 id="see_also">Voir aussi</h2> + +<ul> + <li><a href="/fr/docs/Web/JavaScript/Guide/Expressions_and_Operators#assignment">Les opérateurs d'affectation dans le guide JavaScript</a></li> + <li><a href="/fr/docs/Web/JavaScript/Reference/Operators/Subtraction">L'opérateur de soustraction</a></li> +</ul> |