</span><span class="jsdoc-var">this.buttons </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.buttons </span><span class="jsdoc-syntax">|| [];
</span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.tmpl</span><span class="jsdoc-syntax">) {
</span><span class="jsdoc-var">this.buttons </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.buttons </span><span class="jsdoc-syntax">|| [];
</span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.tmpl</span><span class="jsdoc-syntax">) {